Remove comments for eslint-disable (#3691)

app/javascript/packs/application.js

@@ -2,5 +2,5 @@ import main from '../mastodon/main';
 import loadPolyfills from '../mastodon/load_polyfills';
 
 loadPolyfills().then(main).catch(e => {
-  console.error(e); // eslint-disable-line no-console
+  console.error(e);
 });