(code bounty) refactors all uses of Crossed() and Uncrossed() into signals sent to loc, tracked by connect_loc (#58340)

Co-authored-by: Jared-Fogle <35135081+Mothblocks@users.noreply.github.com>
Co-authored-by: Emmett Gaines <ninjanomnom@gmail.com>

code/modules/awaymissions/mission_code/wildwest.dm

@@ -126,8 +126,15 @@
 	icon_state = "blobpod"
 	var/triggered = 0
 
-/obj/effect/meatgrinder/Crossed(atom/movable/AM)
+/obj/effect/meatgrinder/Initialize(mapload)
 	. = ..()
+	var/static/list/loc_connections = list(
+		COMSIG_ATOM_ENTERED = .proc/on_entered,
+	)
+	AddElement(/datum/element/connect_loc, src, loc_connections)
+
+/obj/effect/meatgrinder/proc/on_entered(datum/source, atom/movable/AM)
+	SIGNAL_HANDLER
 	Bumped(AM)
 
 /obj/effect/meatgrinder/Bumped(atom/movable/AM)