I accidentally made all my pictures into shortcuts on my computer?

I was taking the pictures off of my iPhone, & clicked "create shortcut" by accident. So now there's 800+ tiny little pictures all over the place. Is there a way to delete them all at once?

Click and drag to form a box around the icons they will turn a different color click delete and all icons inside box are deleted. While probably have to form more than one box but easier than 800 click and press delete key