Remove deprecated copy methods

src/main/java/net/minestom/server/item/ItemStack.java

@@ -665,15 +665,6 @@ public class ItemStack implements DataContainer, PublicCloneable<ItemStack>, Hov
                 !canPlaceOn.isEmpty();
     }
 
-    /**
-     * @deprecated use {@link #clone()}
-     */
-    @Deprecated
-    @NotNull
-    public synchronized ItemStack copy() {
-        return clone();
-    }
-
     /**
      * Clones this item stack.
      * <p>

src/main/java/net/minestom/server/utils/BlockPosition.java

@@ -212,18 +212,6 @@ public class BlockPosition implements PublicCloneable<BlockPosition> {
                 MathUtils.square(getZ() - blockPosition.getZ());
     }
 
-    /**
-     * Copies this block position.
-     *
-     * @return the cloned block position
-     * @deprecated use {@link #clone()}
-     */
-    @Deprecated
-    @NotNull
-    public BlockPosition copy() {
-        return clone();
-    }
-
     @NotNull
     @Override
     public BlockPosition clone() {

src/main/java/net/minestom/server/utils/Position.java

@@ -212,14 +212,6 @@ public class Position implements PublicCloneable<Position> {
         }
     }
 
-    /**
-     * @deprecated Please use {@link #clone()}
-     */
-    @Deprecated
-    public Position copy() {
-        return clone();
-    }
-
     /**
      * Gets if the two objects are position and have the same values.
      *

src/main/java/net/minestom/server/utils/Vector.java

@@ -476,15 +476,6 @@ public class Vector implements PublicCloneable<Vector> {
                 '}';
     }
 
-    /**
-     * @deprecated use {@link #clone()}
-     */
-    @Deprecated
-    @NotNull
-    public Vector copy() {
-        return clone();
-    }
-
     @NotNull
     @Override
     public Vector clone() {