Bring Gallery2 manifest into parity with CROP support

Gallery2 does not support http/https CROPping, so remove them
from manifest.

Tested app on device and confirmed Gallery2 is still successfully
a CROP app for content URIs after this modification.

Bug: 15919429
Change-Id: Ib0dacdbf3013d8a2f35a07a8ea0e15070ebdb2e7