Don't show prettify error notification

It's often unnecessary info for the user, and doesn't
block the user in any way.

Fixes codesandbox#994

Author: CompuIves

packages/app/src/app/store/modules/editor/sequences.js

@@ -170,10 +170,7 @@ export const prettifyCode = [
       'Invalid JSON in sandbox .prettierrc file',
       'error'
     ),
-    error: addNotification(
-      string`Something went wrong prettifying the code: "${props`error.message`}"`,
-      'error'
-    ),
+    error: [],
   },
 ];