Revert "cpufreq: interactive: Honor boosted state when entering idle"

This reverts commit 484d6e85b94e611e6ea5d595cc2075ba6c31a0a7.
cpufreq: interactive: Honor boosted state when entering idle

The old logic didn't take the boosted state in account. Just
leave the comment intact because our temporary min is not
the regular policy->min it refers to.