Deleted duplicate entries

Summary:
Removed duplicate entires for button and generic templates
{F1981377355}

Moved media template under templates folder
{F1981377371}

Reviewed By: sbhat222

Differential Revision: D80642834

fbshipit-source-id: 229061f22b95cc7f2ba1f5da646b565c1ec72536

Author: Krupa Srinivas