Revert "msm: vidc: enable minimum bus vote"

This reverts commit 8ab5203e.
The DT property "qcom,enable-minimum-voting" is being deprecated in favour of a
more generic solution.

Change-Id: I9e2e258d258c0bb3a2d9d866d8f5012e8581a188
Signed-off-by: Maheshwar Ajja <majja@codeaurora.org>