To delete a template, you must first delete all the articles associated with that template.
To delete all articles, click on the Actions button and select View Articles from the menu.
All the articles associated with the Template are listed.
Select all articles, and click on the Delete button.
A dialog-box with the message “Are you sure you want to delete the selected articles?” appears. Click OK to delete all articles.
Click on the Templates tag once again.
Select the template and click Delete.
Click OK on the dialog-box for confirming delete operation to delete the template.