Update to Minecraft 1.11

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

paper-api/src/main/java/org/bukkit/util/Java15Compat.java

@@ -1,26 +0,0 @@
-package org.bukkit.util;
-
-import java.lang.reflect.Array;
-
-/**
- * @deprecated Bukkit targets Java 1.6. This class will be removed in a
- * subsequent release.
- */
-@Deprecated
-public class Java15Compat {
-    @SuppressWarnings("unchecked")
-    public static <T> T[] Arrays_copyOfRange(T[] original, int start, int end) {
-        if (original.length >= start && 0 <= start) {
-            if (start <= end) {
-                int length = end - start;
-                int copyLength = Math.min(length, original.length - start);
-                T[] copy = (T[]) Array.newInstance(original.getClass().getComponentType(), length);
-
-                System.arraycopy(original, start, copy, 0, copyLength);
-                return copy;
-            }
-            throw new IllegalArgumentException();
-        }
-        throw new ArrayIndexOutOfBoundsException();
-    }
-}