Revert "ANDROID: GKI: sched: add rvh for new cfs task util"

This reverts commit 1eea1cbd as it
causes a lot of merge conflicts with the scheduler changes in 6.1-rc1.
If this is still needed, it can be added back after 6.1-rc1 is merged.

Bug: 184219858
Cc: Choonghoon Park <choong.park@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I5b92fefb21e605a1edb36f4fb89e2334ac489b4e