Revert "msm: Synchronize CPU frequency on thread migration"

This reverts commit 8de21b68a26272c7a07cf5e4e093915784f9f4fd.

Conflicts:
	drivers/cpufreq/cpufreq_ondemand.c

Change-Id: I217e1ab191dff8e3f2b62bfedd20efd51df1405b