fixed copper_axe, removed unusable assets

added ways to texture the copper armor in 3D, but cannot be done without server-side resources.

Author: mfishma

assets/minecraft/atlases/armor_trims.json

@@ -1,5 +1,4 @@
 {
-  "__comment": "Atlas sources are additive. We only need to define our custom permutations here.",
   "sources": [
     {
       "type": "minecraft:paletted_permutations",

assets/minecraft/atlases/blocks.json

@@ -1,5 +1,4 @@
 {
-  "__comment": "Atlas sources are additive. We only need to define our custom permutations here.",
   "sources": [
     {
       "type": "minecraft:paletted_permutations",

assets/minecraft/atlases/items.json

@@ -1,5 +1,4 @@
 {
-  "__comment": "Atlas sources are additive. We only need to define our custom permutations here.",
   "sources": [
     {
       "type": "minecraft:paletted_permutations",

assets/minecraft/items/iron_axe.json

@@ -19,7 +19,7 @@
       "cases": [
         {
           "when": {
-            "text": "1.21.4 Copper Axe",
+            "text": "1.21.9 Copper Axe",
             "italic": false,
             "color": "white"
           },