hammerhead: touch: Remove touch boost

Revert "cpufreq: conservative: Boost all online cpus"
This reverts commit 07f4058b5a.

Revert "hammerhead: touch: Simple method of boosting cpu frequency on touch"
This reverts commit 0686840036 .

Change-Id: I51801a7b31de93770536fb719083f710eef5a1b2