Revert "cpufreq: wheatley: added boost interface (thx anarkia1976)"

This reverts commit 49423a9ce7f73adb7bb152e215a7dfd8d6a66742.
Revert "cpufreq: wheatley: cleaning unused code"

This reverts commit a220559efcd15806a5e869d3e31d5c19d810512d.
Revert "Added CPUfreq governor 'wheatley'"

This reverts commit 79a2de1d4ac40bfe786fba4632d6d7ced94c18c6.
remove wheatley