Revert "drivers/cpufreq/cpufreq.c: re-enable cpu policy restore"

This reverts commit 1f04fa19f5d5e87bd0f15f4d3125e9034d53e8c7.
Revert "cpufreq: enable sibling cpu policy sharing"

This reverts commit cfd75c55eb10dc7387f8e9a145ad69d107e0a00f.
Revert "cpufreq: Add a sync limit to cpu-boost"

This reverts commit 815f2effabafc03d85abc4af25fd6d3619d73f2d.
Revert "cpufreq: Add cpu-boost driver"

This reverts commit 52fde027af39894c9ade6870e4486c80f146926d.