Revert "ANDROID: sched/fair: EAS: Add uclamp support to find_energy_efficient_cpu()"

This reverts commit b61876ed.

There is a better alternative upstream now, so let's drop the android
specific version.

Bug: 120440300
Signed-off-by: Quentin Perret <qperret@google.com>
Change-Id: I311c528c9f342035ef9da6a3833004f942daef00