eslint: enforce semi-style

Remove `semi-style` rule from `.eslintrc.json` and fix errors.

Bug: T421660

Author: okerekechinweotito

.eslintrc.json

@@ -14,7 +14,6 @@
 	"rules": {
 		"no-jquery/no-global-selector": "warn",
 		"no-new": "warn",
-		"semi-style": "warn",
 		"yml/no-empty-document": "warn",
 		"yml/no-empty-mapping-value": "warn"
 	}

webpack.config.js

@@ -55,23 +55,6 @@ Encore
 	.configureBabelPresetEnv( ( config ) => {
 		config.useBuiltIns = 'usage';
 		config.corejs = 3;
-	} )
-
-// enables Sass/SCSS support
-// .enableSassLoader()
-
-// uncomment if you use TypeScript
-// .enableTypeScriptLoader()
-
-// uncomment if you use React
-// .enableReactPreset()
-
-// uncomment to get integrity="..." attributes on your script & link tags
-// requires WebpackEncoreBundle 1.4 or higher
-// .enableIntegrityHashes(Encore.isProduction())
-
-// uncomment if you're having problems with a jQuery plugin
-// .autoProvidejQuery()
-;
+	} );
 
 module.exports = Encore.getWebpackConfig();