Eliminating Soft 404, No-index and Other Related Errors, Fast
Step 5: Now is the time for removal of your problem pages from Google searches.
Go to your GSC dashboard and click on Removals
Then request a removal of all your problem URLs. You can apply Temporarily Removal or Clearing Searches. I recommend to do both. However, you can do only one request at one time.
It takes about a day for GSC to fulfill your request.