SPIGOT-6921, #1330: Add methods to remove all enchantments on an ItemStack

By: Nothixal <nothixal@gmail.com>

paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java

@@ -273,6 +273,11 @@ public final class CraftItemStack extends ItemStack {
         return level;
     }
 
+    @Override
+    public void removeEnchantments() {
+        handle.getTag().remove(ENCHANTMENTS.NBT);
+    }
+
     @Override
     public Map<Enchantment, Integer> getEnchantments() {
         return getEnchantments(handle);

paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java

@@ -834,6 +834,13 @@ class CraftMetaItem implements ItemMeta, Damageable, Repairable, BlockDataMeta {
         return enchantmentRemoved;
     }
 
+    @Override
+    public void removeEnchantments() {
+        if (hasEnchants()) {
+            enchantments.clear();
+        }
+    }
+
     @Override
     public boolean hasEnchants() {
         return !(enchantments == null || enchantments.isEmpty());