Machete Resprite (#4271)

## About The Pull Request

Resprites Mass Produced Machetes, and adds on belt sprites. Also adjusts
the description slightly of the item.

Original:

![image](https://github.com/user-attachments/assets/bec8685a-f85c-4730-9a3a-0dbf05c474e2)
Updated:

![image](https://github.com/user-attachments/assets/a9407e7b-4b2a-4e99-ab78-78a0321ce2b1)

## Why It's Good For The Game

I really, really, don't think the current mass produced machete sprite
looks good. This brings it closer in line to all other melee weapons
like knives, so it shouldn't look as out of place now.

## Changelog

:cl:
add: New sprites for the Mass Produced Machete
/:cl:

code/game/objects/items/melee/sword.dm

@@ -58,12 +58,13 @@
 
 /obj/item/melee/sword/mass
 	name = "mass produced machete"
-	desc = "A middle ground between a machete and a short sword. A simple construction of stamped steel but its so cheap its hard to complain. Its right between being a one hand and two handed weapon"
+	desc = "A mass-produced machete made of stamped steel, with a faux-leather grip for ease of handling. Right between that of a one-handed and two-handed weapon."
 	icon_state = "machete"
 	base_icon_state = "machete"
 	force = 20
 	throwforce = 15
 	max_integrity = 50
+	supports_variations = VOX_VARIATION
 
 /obj/item/melee/sword/mass/ComponentInitialize()
 	. = ..()