Open the property settings page of that property and click Remove property. If you are a verified owner, you might also remove the access token you used to verify ownership. If you don't, you can regain access to the property by simply adding the same property in Search Console and clicking Verify.

Collect URLs and screenshots of the results you want to get deleted. Go to: https://support.google.com/websearch/answer/9673730, scroll down and click “start removal request”. Click on the edit icon to the right of “what do you want to do?” and select “remove information you see in Google Search.”