Revert "ARM: dts: msm: Add control for minimum bus voting"

This reverts commit 506b813b.  The
property "qcom,enable-minimum-voting" is being deprecated in favour of a
more complete solution.

Change-Id: I1168436b1e0f5ae270eed4f7d21845af2597d772
Signed-off-by: Maheshwar Ajja <majja@codeaurora.org>