clk: qcom: Remove mmssnoc cpu active vote clock for SDM660

There is no requirement to vote on active only clock of MMSSNOC cpu clock,
as the handoff flag for rpm clocks already takes care of the initial vote,
until the client puts across a vote.

Change-Id: I7804daa804d06ea3a7a81c4cf33156cc7324a542
Signed-off-by: Taniya Das <tdas@codeaurora.org>