Revert "cpufreq: Fix broken uevents for cpufreq governor and cpu devices"

This reverts commit 0e2e59ea6389fdd90b17a154527a7392ac8851c3.
Revert "drivers: cpufreq: Send a uevent when governor changes"

This reverts commit 2f90a17c3c564964cd27efb25b4c56725c3ffb2c.
Revert "cpufreq: fix sleeping in atomic context when realloc freq_table for all_time_in_state"

This reverts commit bcfc518c897baa12f9086eee310df6d939d520fd.
Revert "cpufreq: Persist cpufreq time in state data across hotplug"

This reverts commit 328babfd463270b4eeaf9a0a04d68dfd84179487.