Recipe fixes for Grinding head, wrench and painting tool. Kudos to Birgliss

* Remove Bronze Nuggets from recipes.
* Buff Diamond Grinding Head output.

src/main/resources/data/techreborn/recipes/crafting_table/parts/diamond_grinding_head.json

@@ -18,6 +18,6 @@
   },
   "result": {
     "item": "techreborn:diamond_grinding_head",
-    "count": 2
+    "count": 3
   }
-}
+}

src/main/resources/data/techreborn/recipes/crafting_table/tool/painting_tool.json

@@ -2,16 +2,13 @@
   "type": "minecraft:crafting_shaped",
   "pattern": [
 	"BWB",
-	"NBN",
+	" B ",
 	" B "
   ],
   "key": {
 	"B": {
 	  "tag": "c:bronze_ingots"
 	},
-	"N": {
-	  "tag": "c:bronze_nuggets"
-	},
 	"W": {
 	  "tag": "minecraft:wool"
 	}
@@ -19,4 +16,4 @@
   "result": {
 	"item": "techreborn:painting_tool"
   }
-}
+}

src/main/resources/data/techreborn/recipes/crafting_table/tool/wrench.json

@@ -1,16 +1,13 @@
 {
   "type": "minecraft:crafting_shaped",
   "pattern": [
-    "BNB",
-    "NBN",
+    "B B",
+    " B ",
     " B "
   ],
   "key": {
     "B": {
       "tag": "c:bronze_ingots"
-    },
-    "N": {
-      "tag": "c:bronze_nuggets"
     }
   },
   "result": {