Google ranks websites with a privacy policy higher than sites without a privacy policy. Why this is the case, I don’t know. I personally don’t have a privacy policy as I don’t see a need since I am not collecting any information or telemetry data. Even if I did collected it, I wouldn’t know what to do with it. If you don’t care about ranking high on Google such as this being a personal site, then don’t care, and delete the page. You can always make changes as you see fit if you want to keep this page.