sched: Remove HMP related code and config

Since HMP is no longer used, remove related code and config options.

Change-Id: I4a30bbdf34c63c9c400e5b826a4758eac26ce607
Signed-off-by: Puja Gupta <pujag@codeaurora.org>
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
18 files changed