Re: How do I remove the related searches panel on the left side of the browser
That is a feature of the particular search website. Firefox and other browsers just displays the content offered by the websites. Also, some add-ons installed into Firefox may insert their special menus on top of the features of the search website. In this case you can verify that by starting Firefox in Safe Mode and browsing to the site. Pressing Ctrl and + on the website helps to zoom in. To reset press Ctrl + 0 (zero) when on the site.