Remove repetitive descriptions on frontend tab

src/views/settings/components/Frontend.vue

 <template>
   <div v-if="!loading">
     <el-form ref="frontendData" :model="frontendData" :label-width="labelWidth">
-      <el-form-item>
-        <p class="expl">This form can be used to configure a keyword list that keeps the configuration data for any kind of frontend.
-        By default, settings for <span class="code">pleroma_fe</span> and <span class="code">masto_fe</span> are configured.
-        If you want to add your own configuration your settings need to be complete as they will override the defaults.</p>
-      </el-form-item>
       <setting :setting-group="frontend" :data="frontendData"/>
     </el-form>
     <el-form ref="assetsData" :model="assetsData" :label-width="labelWidth">