How to delete a question in Surveys/Templates:
Click on Surveys or Templates located on the left panel.
Your list of surveys or templates display.
Click on the icon under Edit.
Survey Builder displays.
Click on the question you would like to delete.
Go to the Configuration portlet on the right side.
Click Delete.
A pop-up message displays. Click Ok to "Are you sure you want to delete this question?" to delete the question.