Remove "sys.secpolicy.camera.off_" system property check

With I421690f14ee57fa818d2b233fe48a90a0a575a9e, now the device policy camera
restrictions will be propagated with a user restriction via appops, so the
system property check is no longer needed.

Bug 24538855

Change-Id: I7b034c0d49b834e570c758315df6a0163f64af4e
1 file changed