Remove some old ApiStatus.Experimental annotations

By: md_5 <git@md-5.net>

paper-api/src/main/java/org/bukkit/inventory/meta/ColorableArmorMeta.java

@@ -1,12 +1,10 @@
 package org.bukkit.inventory.meta;
 
-import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Represents armor that an entity can equip and can also be colored.
  */
-@ApiStatus.Experimental
 public interface ColorableArmorMeta extends ArmorMeta, LeatherArmorMeta {
 
     @Override