Revert "Camera: Add camera system features to flounder."

This reverts commit 4dd6dc5e36972a155bb89ac819197c5df0dd5016.
It also removes the extra camera.manual_sensor and
camera.manual_post_processing feature files, as those are both declared
inside the camera.full file.

Bug: 18281970
Bug: 18573576
Change-Id: I4aa1cb102accd925e72c0cd86ca89ed50501f536
1 file changed