chore: update linter config

.eslintrc.json

@@ -11,7 +11,10 @@
 	},
 	"rules": {
 		"one-var": "off",
-		"//": ["off", "ResourceLoader's `packageFiles` do not require wrapping but the `module` option is only available in ES6+."],
+		"//": [
+			"off",
+			"ResourceLoader's `packageFiles` do not require wrapping but the `module` option is only available in ES6+."
+		],
 		"no-implicit-globals": "off"
 	}
 }

.phpcs.xml

@@ -2,7 +2,7 @@
 <ruleset>
     <rule ref="./vendor/mediawiki/mediawiki-codesniffer/MediaWiki" />
     <file>.</file>
-    <arg name="extensions" value="php,php5,inc"/>
+    <arg name="extensions" value="php"/>
 	<arg name="encoding" value="UTF-8"/>
     <exclude-pattern>*/vendor/*</exclude-pattern>
     <exclude-pattern>*/out/*</exclude-pattern>

eslintrc.json

@@ -1,13 +0,0 @@
-{
-	"root": true,
-	"extends": [
-		"wikimedia",
-		"wikimedia/language/es6"
-	],
-	"env": {
-		"browser": true
-	},
-	"parserOptions": {
-		"sourceType": "module"
-	}
-}