TG: Changes rev objectives to use the proper objective so heads being off station

actually works
Changelings faking death can no longer have their brains cut out.
Revision: r3501
Author: 	 VivianFoxfoot

code/game/objects/items/weapons/surgery_tools.dm

@@ -1548,6 +1548,10 @@ CIRCULAR SAW
 					return
 
 			if(3.0)
+				if(M.changeling && M.changeling.changeling_fakedeath)
+					user << "\red The neural tissue regrows before your eyes as you cut it."
+					return
+
 				if(M != user)
 					for(var/mob/O in (viewers(M) - user - M))
 						O.show_message("\red [M] has \his spine's connection to the brain severed with [src] by [user].", 1)