feature-removal-schedule: remove SA_* flags entry

No reason to keep the feature-removal-schedule.txt entry after the code
was removed.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Documentation/feature-removal-schedule.txt

@@ -181,15 +181,6 @@ Who:	Nick Piggin <npiggin@suse.de>
 
 ---------------------------
 
-What:	Interrupt only SA_* flags
-When:	September 2007
-Why:	The interrupt related SA_* flags are replaced by IRQF_* to move them
-	out of the signal namespace.
-
-Who:	Thomas Gleixner <tglx@linutronix.de>
-
----------------------------
-
 What:	PHYSDEVPATH, PHYSDEVBUS, PHYSDEVDRIVER in the uevent environment
 When:	October 2008
 Why:	The stacking of class devices makes these values misleading and