Update to Minecraft 1.21

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

paper-api/src/main/java/org/bukkit/packs/DataPack.java

@@ -3,7 +3,6 @@ package org.bukkit.packs;
 import java.util.Set;
 import org.bukkit.FeatureFlag;
 import org.bukkit.Keyed;
-import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
 /**
@@ -11,7 +10,6 @@ import org.jetbrains.annotations.NotNull;
  *
  * @see <a href="https://minecraft.wiki/w/Data_pack">Minecraft wiki</a>
  */
-@ApiStatus.Experimental
 public interface DataPack extends Keyed {
 
     /**

paper-api/src/main/java/org/bukkit/packs/DataPackManager.java

@@ -14,7 +14,6 @@ import org.jetbrains.annotations.Nullable;
 /**
  * Manager of data packs.
  */
-@ApiStatus.Experimental
 public interface DataPackManager {
 
     /**

paper-api/src/main/java/org/bukkit/packs/ResourcePack.java

@@ -1,7 +1,6 @@
 package org.bukkit.packs;
 
 import java.util.UUID;
-import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -10,7 +9,6 @@ import org.jetbrains.annotations.Nullable;
  *
  * @see <a href="https://minecraft.wiki/w/Resource_pack">Minecraft wiki</a>
  */
-@ApiStatus.Experimental
 public interface ResourcePack {
 
     /**

paper-api/src/main/java/org/bukkit/packs/package-info.java

@@ -1,5 +1,4 @@
 /**
  * Classes dedicated to handling data pack information.
  */
-@org.jetbrains.annotations.ApiStatus.Experimental
 package org.bukkit.packs;