Enable eslint:recommended ruleset (#22433)

* Enable ESLint recommended ruleset

* Disable failing ESLint recommended rules

* Remove rules shadowed by eslint:recommended

app/javascript/mastodon/middleware/errors.js

@@ -14,4 +14,4 @@ export default function errorsMiddleware() {
 
     return next(action);
   };
-};
+}

app/javascript/mastodon/middleware/loading_bar.js

@@ -22,4 +22,4 @@ export default function loadingBarMiddleware(config = {}) {
 
     return next(action);
   };
-};
+}

app/javascript/mastodon/middleware/sounds.js

@@ -43,4 +43,4 @@ export default function soundsMiddleware() {
 
     return next(action);
   };
-};
+}