Copper Re-polish, Part II

- Integrated new copper assets by Dani

src/main/resources/assets/create/models/block/controls/item.json

@@ -13,7 +13,6 @@
 			"faces": {
 				"north": {"uv": [8, 1.5, 9, 2.5], "rotation": 180, "texture": "#1_7"},
 				"east": {"uv": [9, 3, 8, 8], "rotation": 90, "texture": "#1_7"},
-				"south": {"uv": [0, 0, 0, 0], "texture": "#missing"},
 				"west": {"uv": [9, 3, 8, 8], "rotation": 270, "texture": "#1_7"},
 				"up": {"uv": [8, 3, 9, 8], "texture": "#1_7"},
 				"down": {"uv": [8, 3, 9, 8], "rotation": 180, "texture": "#1_7"}