Antag system cleanup/fixes.

code/game/objects/items/devices/flash.dm

@@ -70,7 +70,7 @@
 			flick("e_flash", M.flash)
 
 			if(ishuman(M) && ishuman(user) && M.stat!=DEAD)
-				if(user.mind && user.mind in revs.head_revolutionaries)
+				if(user.mind && user.mind in revs.current_antagonists)
 					var/revsafe = 0
 					for(var/obj/item/weapon/implant/loyalty/L in M)
 						if(L && L.implanted)

code/game/objects/items/robot/robot_parts.dm

@@ -211,10 +211,6 @@
 				user << "\red Sticking a dead [W] into the frame would sort of defeat the purpose."
 				return
 
-			if(M.brainmob.mind in revs.head_revolutionaries)
-				user << "\red The frame's firmware lets out a shrill sound, and flashes 'Abnormal Memory Engram'. It refuses to accept the [W]."
-				return
-
 			if(jobban_isbanned(M.brainmob, "Cyborg"))
 				user << "\red This [W] does not seem to fit."
 				return