Revert "defconfig: arm64: msm: Enable virtual platform"

This reverts commit 2bb686dc ("defconfig: arm64: msm: Enable
virtual platform"). The configs added in this change are not in
proper state and have build failures.

Change-Id: I30922e76761a1c436b54fb07f376ad9a5f5718f8
Signed-off-by: Neeraj Upadhyay <neeraju@codeaurora.org>