Revert "FROMLIST: sched: Introduce a sysctl for Energy Aware Scheduling"

This reverts commit b78eec5f. It has not
been accepted upstream and is of no particular interest in Android since
EAS is always enabled anyway.

Bug: 120440300
Change-Id: I7d1f2ad206c05041d386fc99f18e29c4fa56cbc8
Signed-off-by: Quentin Perret <quentin.perret@arm.com>