If the side menu is not visible, click.
In the side menu, click Community.
In the Community section, click Surveys.
From the list of surveys, click the survey you wish to edit.
Choose one of the following options:
Select the question you want to remove and click on delete on the left sidebar
Right click and select delete from the menu.
Select the question you want to remove, click on the delete button to the left of save changes.