diff --git a/yarn.lock b/yarn.lock
index 61afa7ca78fa84828b5c2292be397cae625c630c..f05b00b1513eb84e47f15d889227178033cc266b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1062,7 +1062,7 @@ array-union@^1.0.1:
   dependencies:
     array-uniq "^1.0.1"
 
-array-uniq@^1.0.1, array-uniq@^1.0.2:
+array-uniq@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/array-uniq/-/array-uniq-1.0.3.tgz#af6ac877a25cc7f74e058894753858dfdb24fdb6"
 
@@ -2545,7 +2545,7 @@ domain-browser@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.2.0.tgz#3d31f50191a6749dd1375a7f522e823d42e54eda"
 
-domelementtype@1, domelementtype@^1.3.0:
+domelementtype@1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-1.3.1.tgz#d048c44b37b0d10a7f2a3d5fee3f4333d790481f"
 
@@ -2559,12 +2559,6 @@ domhandler@2.1:
   dependencies:
     domelementtype "1"
 
-domhandler@^2.3.0:
-  version "2.4.2"
-  resolved "https://registry.yarnpkg.com/domhandler/-/domhandler-2.4.2.tgz#8805097e933d65e85546f726d60f5eb88b44f803"
-  dependencies:
-    domelementtype "1"
-
 domutils@1.1:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/domutils/-/domutils-1.1.6.tgz#bddc3de099b9a2efacc51c623f28f416ecc57485"
@@ -2578,13 +2572,6 @@ domutils@1.5.1:
     dom-serializer "0"
     domelementtype "1"
 
-domutils@^1.5.1:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/domutils/-/domutils-1.7.0.tgz#56ea341e834e06e6748af7a1cb25da67ea9f8c2a"
-  dependencies:
-    dom-serializer "0"
-    domelementtype "1"
-
 duplexer2@~0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/duplexer2/-/duplexer2-0.1.4.tgz#8b12dab878c0d69e3e7891051662a32fc6bddcc1"
@@ -2711,7 +2698,7 @@ ent@~2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/ent/-/ent-2.2.0.tgz#e964219325a21d05f44466a2f686ed6ce5f5dd1d"
 
-entities@^1.1.1, entities@~1.1.1:
+entities@~1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.2.tgz#bdfa735299664dfafd34529ed4f8522a275fea56"
 
@@ -3762,17 +3749,6 @@ html-webpack-plugin@^3.0.0, html-webpack-plugin@^3.2.0:
     toposort "^1.0.0"
     util.promisify "1.0.0"
 
-htmlparser2@^3.10.0:
-  version "3.10.0"
-  resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-3.10.0.tgz#5f5e422dcf6119c0d983ed36260ce9ded0bee464"
-  dependencies:
-    domelementtype "^1.3.0"
-    domhandler "^2.3.0"
-    domutils "^1.5.1"
-    entities "^1.1.1"
-    inherits "^2.0.1"
-    readable-stream "^3.0.6"
-
 htmlparser2@~3.3.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-3.3.0.tgz#cc70d05a59f6542e43f0e685c982e14c924a9efe"
@@ -4757,10 +4733,6 @@ lodash.clone@3.0.3:
     lodash._bindcallback "^3.0.0"
     lodash._isiterateecall "^3.0.0"
 
-lodash.clonedeep@^4.5.0:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
-
 lodash.create@3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/lodash.create/-/lodash.create-3.1.1.tgz#d7f2849f0dbda7e04682bb8cd72ab022461debe7"
@@ -4780,10 +4752,6 @@ lodash.defaultsdeep@4.3.2:
     lodash.mergewith "^4.0.0"
     lodash.rest "^4.0.0"
 
-lodash.escaperegexp@^4.1.2:
-  version "4.1.2"
-  resolved "https://registry.yarnpkg.com/lodash.escaperegexp/-/lodash.escaperegexp-4.1.2.tgz#64762c48618082518ac3df4ccf5d5886dae20347"
-
 lodash.find@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/lodash.find/-/lodash.find-3.2.1.tgz#046e319f3ace912ac6c9246c7f683c5ec07b36ad"
@@ -4815,14 +4783,10 @@ lodash.isplainobject@^3.0.0, lodash.isplainobject@^3.2.0:
     lodash.isarguments "^3.0.0"
     lodash.keysin "^3.0.0"
 
-lodash.isplainobject@^4.0.0, lodash.isplainobject@^4.0.6:
+lodash.isplainobject@^4.0.0:
   version "4.0.6"
   resolved "https://registry.yarnpkg.com/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz#7c526a52d89b45c45cc690b88163be0497f550cb"
 
-lodash.isstring@^4.0.1:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/lodash.isstring/-/lodash.isstring-4.0.1.tgz#d527dfb5456eca7cc9bb95d5daeaf88ba54a5451"
-
 lodash.istypedarray@^3.0.0:
   version "3.0.6"
   resolved "https://registry.yarnpkg.com/lodash.istypedarray/-/lodash.istypedarray-3.0.6.tgz#c9a477498607501d8e8494d283b87c39281cef62"
@@ -4871,7 +4835,7 @@ lodash.merge@^3.3.2:
     lodash.keysin "^3.0.0"
     lodash.toplainobject "^3.0.0"
 
-lodash.mergewith@^4.0.0, lodash.mergewith@^4.6.1:
+lodash.mergewith@^4.0.0:
   version "4.6.1"
   resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.1.tgz#639057e726c3afbdb3e7d42741caa8d6e4335927"
 
@@ -5538,10 +5502,6 @@ object-keys@^1.0.11, object-keys@^1.0.12:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
 
-object-path@^0.11.3:
-  version "0.11.4"
-  resolved "https://registry.yarnpkg.com/object-path/-/object-path-0.11.4.tgz#370ae752fbf37de3ea70a861c23bba8915691949"
-
 object-visit@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/object-visit/-/object-visit-1.0.1.tgz#f79c4493af0c5377b59fe39d395e41042dd045bb"
@@ -6245,14 +6205,6 @@ postcss@^7.0.0:
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-postcss@^7.0.5:
-  version "7.0.8"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.8.tgz#2a3c5f2bdd00240cd0d0901fd998347c93d36696"
-  dependencies:
-    chalk "^2.4.2"
-    source-map "^0.6.1"
-    supports-color "^6.0.0"
-
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
@@ -6521,14 +6473,6 @@ readable-stream@1.1.x:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-readable-stream@^3.0.6:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.1.1.tgz#ed6bbc6c5ba58b090039ff18ce670515795aeb06"
-  dependencies:
-    inherits "^2.0.3"
-    string_decoder "^1.1.1"
-    util-deprecate "^1.0.1"
-
 readdirp@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.2.1.tgz#0e87622a3325aa33e892285caf8b4e846529a525"
@@ -6839,21 +6783,6 @@ samsam@1.x, samsam@^1.1.3:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/samsam/-/samsam-1.3.0.tgz#8d1d9350e25622da30de3e44ba692b5221ab7c50"
 
-sanitize-html@^1.13.0:
-  version "1.20.0"
-  resolved "https://registry.yarnpkg.com/sanitize-html/-/sanitize-html-1.20.0.tgz#9a602beb1c9faf960fb31f9890f61911cc4d9156"
-  dependencies:
-    chalk "^2.4.1"
-    htmlparser2 "^3.10.0"
-    lodash.clonedeep "^4.5.0"
-    lodash.escaperegexp "^4.1.2"
-    lodash.isplainobject "^4.0.6"
-    lodash.isstring "^4.0.1"
-    lodash.mergewith "^4.6.1"
-    postcss "^7.0.5"
-    srcset "^1.0.0"
-    xtend "^4.0.1"
-
 "sass-loader@git://github.com/webpack-contrib/sass-loader":
   version "7.1.0"
   resolved "git://github.com/webpack-contrib/sass-loader#e279f2a129eee0bd0b624b5acd498f23a81ee35e"
@@ -7225,13 +7154,6 @@ sprintf-js@~1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
 
-srcset@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/srcset/-/srcset-1.0.0.tgz#a5669de12b42f3b1d5e83ed03c71046fc48f41ef"
-  dependencies:
-    array-uniq "^1.0.2"
-    number-is-nan "^1.0.0"
-
 sshpk@^1.7.0:
   version "1.16.0"
   resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.16.0.tgz#1d4963a2fbffe58050aa9084ca20be81741c07de"
@@ -7331,7 +7253,7 @@ string-width@^3.0.0:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^5.1.0"
 
-string_decoder@^1.0.0, string_decoder@^1.1.1:
+string_decoder@^1.0.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.2.0.tgz#fe86e738b19544afe70469243b2a1ee9240eae8d"
   dependencies:
@@ -7415,7 +7337,7 @@ supports-color@^5.3.0, supports-color@^5.4.0:
   dependencies:
     has-flag "^3.0.0"
 
-supports-color@^6.0.0, supports-color@^6.1.0:
+supports-color@^6.1.0:
   version "6.1.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-6.1.0.tgz#0764abc69c63d5ac842dd4867e8d025e880df8f3"
   dependencies:
@@ -7780,7 +7702,7 @@ useragent@2.3.0:
     lru-cache "4.1.x"
     tmp "0.0.x"
 
-util-deprecate@^1.0.1, util-deprecate@~1.0.1:
+util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
 
@@ -8015,10 +7937,6 @@ webpack@^4.0.0:
     watchpack "^1.5.0"
     webpack-sources "^1.3.0"
 
-whatwg-fetch@^2.0.3:
-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz#dde6a5df315f9d39991aa17621853d720b85566f"
-
 whet.extend@~0.9.9:
   version "0.9.9"
   resolved "https://registry.yarnpkg.com/whet.extend/-/whet.extend-0.9.9.tgz#f877d5bf648c97e5aa542fadc16d6a259b9c11a1"
@@ -8090,7 +8008,7 @@ xregexp@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/xregexp/-/xregexp-2.0.0.tgz#52a63e56ca0b84a7f3a5f3d61872f126ad7a5943"
 
-xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
+xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"