Any symbol they would have chosen would have ended up as the Nazi symbol. Just like the name Hitler or that specific mustache style.
But the swastika specifically ending as the symbol you can mostly thank to Heinrich Schliemann and Émile-Louis Burnouf finding swastika adorned pottery at a Troy excavation in the 1870's, and declaring them to be the ancient symbols of the Aryans. https://humanjourney.us/language/external-symbols/swastika-the-hidden-power-of-a-symbol/
If it's your personal info, you can ask for it here.
If it's your own website you want delisted, that's here.
Now do the same for bing, ddg, startpage, yandex, yahoo, kagi, brave, ask, ecosia etc etc....
Which is to say, if it's on the internet and publicly accessible, assume it's permanent and going to be indexed at some point.