intellidemand: remove sampling rate updates based on suspend

this is causing a rare race condition where every once in a while, the phone
will not wake up properly from a suspend/resume cycle.  Disable for now
until I have more time to debug this properly

Change-Id: I484d025f4962051f3495238d664c659b297d3d64
Signed-off-by: Paul Reioux <reioux@gmail.com>