Remove git://github.com redirect from CI pipeline

This MR removes the lines in the CI pipeline for git://github.com since we don't need it anymore.

.gitlab-ci.yml

@@ -20,7 +20,6 @@ build:
   stage: build
   before_script: &before-build
     - apk --no-cache add git python3 build-base
-    - git config --global url."https://github.com/".insteadOf git://github.com/
   script:
     - yarn
     - yarn build:prod
@@ -33,7 +32,6 @@ lint:
   stage: test
   before_script: &before-yarn
     - apk --no-cache add git python3 build-base
-    - git config --global url."https://github.com/".insteadOf git://github.com/
     - yarn cache clean
     - yarn
   cache: