Revert "cpufreq: Preserve sysfs files across suspend/resume"

This reverts commit 80f54f9c728d3dfb7bfce0a07a8bd45bee52b3ae.
Revert "CPUFREQ STATS: Merged some checks from 3.10.y kernel."

This reverts commit f5a74e4c77931e398733d879695bdb165eb46b51.