Revert "ANDROID: sched: Add support for frequency/power energy model"

This reverts commit 9001b8f1.

This is a preparation change for merging android-4.14 commit
e709f59a into msm-4.14 branch.
The reverted change is rejected in msm-4.14 branch since it
does not bring in any fixes or improvements to the energy
model. Moreover the later kernels have moved on to use
simplified energy model.

Change-Id: I0005fef09e52238070d507e93c26bc69d1e82ec9
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>