sched: Remove stale PF_MUTEX_TESTER bit

The RTMUTEX tester was removed long ago but the PF bit stayed
around. Remove it and free up the space.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2018-12-19 13:04:41 +01:00
commit 15917dc028