Revert interim strings added for PS Hide behavior

With the Tile fulfillment avialable now this change reverts the interim
strings added for hide behaviour.
Also change the strings based on latest mocks.

Screenshot : go/ss/BCCEknnFyuJnzAq.png

Bug: 309950257
Test: Verified manually
Change-Id: Ia27a9a8b32883e0821531840b3644a79b2d18d17