8193033: remove terminally deprecated sun.misc.Unsafe.defineClass

Reviewed-by: chegar, mchung, alanb

src/jdk.unsupported/share/classes/sun/misc/Unsafe.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,7 +33,6 @@ import jdk.internal.reflect.Reflection;
 import sun.nio.ch.DirectBuffer;
 
 import java.lang.reflect.Field;
-import java.security.ProtectionDomain;
 
 
 /**
@@ -810,25 +809,6 @@ public final class Unsafe {
 
     /// random trusted operations from JNI:
 
-    /**
-     * Tells the VM to define a class, without security checks.  By default, the
-     * class loader and protection domain come from the caller's class.
-     *
-     * @deprecated Use {@link java.lang.invoke.MethodHandles.Lookup#defineClass MethodHandles.Lookup#defineClass}
-     * to define a class to the same class loader and in the same runtime package
-     * and {@linkplain java.security.ProtectionDomain protection domain} of a
-     * given {@code Lookup}'s {@linkplain java.lang.invoke.MethodHandles.Lookup#lookupClass() lookup class}.
-     *
-     * @see java.lang.invoke.MethodHandles.Lookup#defineClass(byte[])
-     */
-    @Deprecated(since="9", forRemoval=true)
-    @ForceInline
-    public Class<?> defineClass(String name, byte[] b, int off, int len,
-                                ClassLoader loader,
-                                ProtectionDomain protectionDomain) {
-        return theInternalUnsafe.defineClass(name, b, off, len, loader, protectionDomain);
-    }
-
     /**
      * Defines a class but does not make it known to the class loader or system dictionary.
      * <p>