Sometimes when I go to type something in the search bar, firefox will auto-predict what I'm going to type and suggest websites that I don't want just randomly popping up. Even though I don't have bookmarks on these sites, and they're not in my browser history, and I've cleared cookies and data, this still happens. I don't know what the problem could be here. I'm on ios, latest version of Firefox (this has been an issue for a minute). What should I check/do?