Revert "cpufreq: cpu-boost: Fix queue_delayed_work_on() race with hotplug"

This reverts commit 3e9b859ac3701e74332f0bfb93557f32ec16f47c.

Conflicts:
	drivers/cpufreq/cpu-boost.c
Revert "cpufreq: cpu-boost: Fix queue_delayed_work_on() race with hotplug"

This reverts commit 3e9b859ac3701e74332f0bfb93557f32ec16f47c.

Conflicts:
	drivers/cpufreq/cpu-boost.c