Revert "Materialize" update to ps13

This reverts commit 2b3b22680d232b76bbd9099728cd5f32661895cf.
Browser: Materialize

-Material Ui theme
-New icon (courtesy @alishan)
-xxhdpi drawables

Change-Id: I291f4bba1e412a8e762666db0684b95105dcf8b0