ARM: dts: msm: remove VMBMS feature for msmcobalt

VMBMS is used for accuracy improvement during voice call. It is
not supported on msmcobalt. It is moved to FG driver,
VMBMS is not needed anymore. Remove it from msmcobalt device tree.

CRs-Fixed: 1038038
Change-Id: Ib01b649633ef8d7e15791fa9b1bd0d7a3fbffc5d
Signed-off-by: Meng Wang <mwang@codeaurora.org>