First press, Ctrl-H to do a search and replace operation. In the search and replace widget on the top right, click the `.*` button. This enables regular expressions search. 
Then in first text area of the widget enter:
`^\s*this.viewTopTitle =.*\n`
Leave the second one empty as we want to remove the whole line.
Finally, press the `Replace All` button in the bottom right of the widget to apply.
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence