To delete a canned response, you need to click on “Click to edit” of the questions and use the trash bin button on the right bottom.
Once you click on the trash bin, the system gives you 10 seconds to change your mind and undo the deleting. If you wish to undo it, you need to click on “Undo Removal”.
From the search field, you can search for an added question. You can use any word that can be in the shortkey, the question, or the answer.