Revert "Enable cpu-boost load based sync feature"

This reverts commit 4f1d2826e84fe50e6316cb11e7035f5cdf4f6711.
hh: Better scaling values

 * Default slack is too long and boost is too high, these values
   collide. Fix them.
 * Set a better timer_rate to reduce jitter

Change-Id: Id99c1642ca38d184e75d09bd3afc71951a8801c0
Update sepolicy