Hello @thayeli ...
Super easy! When editing the page where you originally had the Studio video, place your mouse cursor near the very bottom right corner of the video. You might see a blinking text cursor on the right edge of where the video used to be. Once your cursor is there, just hit the "Backspace" key on your keyboard, and it should delete it from your page. Save you page, and you'll be good to go! Hope this helps!