Removing Wheatly. This is based on old code, don't see the point of keeping around

Revert "Fix up more code for the Wheatley governor"

This reverts commit 7275a11c19513b749a024bf293f0fdae81fff5cb.

Revert "Added CPUfreq governor 'wheatley'"

This reverts commit 3042a1f34e91fecc3ae2838fd0badca4606a4165.