Remove unnecessary ESLint plugins

.eslintrc.yml

@@ -10,9 +10,6 @@ globals:
   localStorage: false
   IS_EE: false
 plugins:
-  - import
-  - "@gitlab/i18n"
-  - "@gitlab/vue-i18n"
   - no-jquery
 settings:
   import/resolver:

package.json

@@ -147,8 +147,6 @@
   "devDependencies": {
     "@babel/plugin-transform-modules-commonjs": "^7.5.0",
     "@gitlab/eslint-config": "^2.1.2",
-    "@gitlab/eslint-plugin-i18n": "^1.1.0",
-    "@gitlab/eslint-plugin-vue-i18n": "^1.2.0",
     "@vue/test-utils": "^1.0.0-beta.30",
     "axios-mock-adapter": "^1.15.0",
     "babel-jest": "^24.1.0",