Remove old demos and general usage of POP in preparation for moving POP to an…

Authored by featherless on Wed, Mar 15, 3:13 PM.

Description

Remove old demos and general usage of POP in preparation for moving POP to an external dependency.

Reviewers: O2 Material Motion, O4 Material Apple platform reviewers, Material Motion, chuga

Reviewed By: O4 Material Apple platform reviewers, chuga

Tags: Material Motion

Differential Revision: http://codereview.cc/D2882