Simplified crude storage unit recipe. Thanks to Ayutac

* Simplified crude storage unit recipe

The normal one was contained within the blockus one, given that the tag existed. This commit sees to that.

* Corrected the tag folder

src/main/resources/data/blockus/tags/items/barrels.json

@@ -0,0 +1,6 @@
+{
+  "replace": false,
+  "values": [
+	"minecraft:barrel"
+  ]
+}

src/main/resources/data/techreborn/recipes/crafting_table/unit/storage/crude_storage_unit.json

@@ -7,7 +7,7 @@
   ],
   "key": {
     "B": {
-      "item": "minecraft:barrel"
+	  "tag": "blockus:barrels"
     },
 	"P": {
       "item": "minecraft:paper"

src/main/resources/data/techreborn/recipes/crafting_table/unit/storage/crude_storage_unit_blockus.json

@@ -1,29 +0,0 @@
-{
-  "type": "minecraft:crafting_shaped",
-
-  "pattern": [
-    "WWW",
-    "WBW",
-    "WPW"
-  ],
-
-  "key": {
-    "B": {
-      "tag": "blockus:barrels"
-    },
-	"P": {
-      "item": "minecraft:paper"
-    },
-	"W": {
-      "tag": "minecraft:planks"
-    }
-  },
-
-  "result": {
-    "item": "techreborn:crude_storage_unit"
-  },
-
-  "conditions": {
-	"reborncore:mod": "blockus"
-  }
-}