msm: vidc: Remove cluster controls

V4L controls are made to be part of a cluster when they
are interdependent. If any one control in that cluster
is updated, all the remaining controls get updated as well
with the current control value.
Existing video usecase does not require any v4l controls
to be clustered. Hence removing the cluster controls.

Change-Id: I98dfc4af5291837054a8a28b00942fea6866f0a9
Signed-off-by: Vikash Garodia <vgarodia@codeaurora.org>