removes last_move checks from do_after/do_mob

it ticks at 1ds now, the cases where you could move and come back are rare, and require the server to be running at 21fps or higher and you have perfect lag and timing.

code/__HELPERS/mobs.dm

@@ -147,10 +147,8 @@ Proc for attack log creation, because really why not
 	if(!user || !target)
 		return 0
 	var/user_loc = user.loc
-	user.last_move = null
 
 	var/target_loc = target.loc
-	target.last_move = null
 
 	var/holding = user.get_active_hand()
 	var/datum/progressbar/progbar
@@ -167,7 +165,7 @@ Proc for attack log creation, because really why not
 			break
 		if(uninterruptible)
 			continue
-		if(user.loc != user_loc || user.last_move || target.loc != target_loc || target.last_move || user.get_active_hand() != holding || user.incapacitated() || user.lying )
+		if(user.loc != user_loc || target.loc != target_loc || user.get_active_hand() != holding || user.incapacitated() || user.lying )
 			. = 0
 			break
 		sleep(1)
@@ -181,13 +179,9 @@ Proc for attack log creation, because really why not
 	var/atom/Tloc = null
 	if(target)
 		Tloc = target.loc
-	var/atom/movable/AMtarget
-	if(istype(target,/atom/movable))
-		AMtarget = target
-		AMtarget.last_move = null
 
 	var/atom/Uloc = user.loc
-	user.last_move = null
+
 	var/holding = user.get_active_hand()
 
 	var/holdingnull = 1 //User's hand started out empty, check for an empty hand
@@ -205,11 +199,11 @@ Proc for attack log creation, because really why not
 		if (progress)
 			progbar.update(world.time - starttime)
 
-		if(!user || user.stat || user.weakened || user.stunned  || user.loc != Uloc || user.last_move)
+		if(!user || user.stat || user.weakened || user.stunned  || user.loc != Uloc)
 			. = 0
 			break
 
-		if(Tloc && (!target || Tloc != target.loc || (AMtarget && AMtarget.last_move)))
+		if(Tloc && (!target || Tloc != target.loc))
 			. = 0
 			break