Revert "ANDROID: schedutil: add vendor hook for adjusting util to freq calculation"

This reverts commit a2d89d4f.  It causes
merge issues with 5.18-rc1 and has to be reverted for now.  If it is
still needed, it can be added back after 5.18-rc1.

Bug: 177845439
Cc: Yun Hsiang <yun.hsiang@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Icce02530eda2e31af9faa9346717b12ca45152ad