Hide templates from the Control Panel selection
How do I hide templates from the list in the Control Panel?
If you are using templates for perch_content_custom you probably don’t want these cluttering the select list when setting up a region.
To hide templates from the list in the Control Panel, start the template name with an underscore. The following template will appear in the list:
Rename it with an underscore at the start and it will not appear but still be accessible from