Cleanup of all the update_clothing() calls.

Mostly I replaced them with rebuild_appearance() or update_body_appearance() where suitable.

I also reorganized the new update_clothing() code a bit.

code/game/objects/alien/facehugger.dm

@@ -150,7 +150,7 @@ var/const
 		layer = 20
 		target.wear_mask = src
 
-		target.update_clothing()
+		target.rebuild_appearance()
 
 		GoIdle() //so it doesn't jump the people that tear it off
 

code/game/objects/items.dm

@@ -8,7 +8,6 @@
 /obj/item/weapon/bedsheet/attack_self(mob/user as mob)
 	user.drop_item()
 	src.layer = 5
-	user.update_clothing()
 	add_fingerprint(user)
 	return
 

code/game/objects/stool.dm

@@ -184,7 +184,7 @@
 	if ((!( istype(M, /mob) ) || get_dist(src, user) > 1 || M.loc != src.loc || user.restrained() || usr.stat || M.buckled || istype(usr, /mob/living/silicon/pai)))
 		return
 	M.pixel_y = 6
-	M.update_clothing()
+	M.update_lying()
 	density = 1
 	icon_state = "up"
 	..()

code/game/objects/tables_racks.dm

@@ -111,16 +111,6 @@ TABLE AND RACK OBJECT INTERATIONS
 			new /obj/item/weapon/table_parts( src.loc )
 		src.density = 0
 		del(src)
-/*	if (user.mutations2 & mSmallsize)
-		step(user, get_dir(user, src))
-		if (user.loc == src.loc)
-			user.layer = TURF_LAYER
-			user.update_clothing()
-			for(var/mob/M in viewers(user, null))
-				M.show_message("[user] hides under the table!", 1)
-				//Foreach goto(69)
-				*/
-//Googol never tested this shit.
 	return
 
 
@@ -189,7 +179,6 @@ TABLE AND RACK OBJECT INTERATIONS
 					"\red You hear the nauseating crunch of bone and gristle on solid metal.")
 				H.UpdateDamageIcon()
 				H.updatehealth()
-				H.update_clothing()
 				playsound(src.loc, 'tablehit1.ogg', 50, 1, -3)
 			return
 		G.affecting.loc = src.loc