Revert "PM: runtime: Fix unpaired parent child_count for force_resume"

This reverts commit 6c799f6c as it
breaks the abi and is only needed for one specific platform that the
Android gki kernel does not support.

Bug: 161946584
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: If66257249516678fe59b7854c925d9a58ac298ff