How to Hide or remove Template Layout selection for non Admin
To remove Toolset buttons you need to add custom code to your current theme's functions.php file.
You can find proposed solution, in this case, with the following reply:
This is the technical support forum for Toolset - a suite of plugins for developing WordPress sites without writing PHP.
Everyone can read this forum, but only Toolset clients can post in it. Toolset support works 6 days per week, 19 hours per day.