Revert "deprecation warning when using the old __jsend! internal method (no longer in 9K)"

This reverts commit f7b8a8a.

Conflicts:
	core/src/main/java/org/jruby/javasupport/binding/Initializer.java
	test/test_higher_javasupport.rb

Author: mkristian

test/jruby/test_higher_javasupport.rb

@@ -1260,13 +1260,6 @@ def test_null_toString
     assert nil == org.jruby.javasupport.test.NullToString.new.to_s
   end
 
-  def test___jsend! # expected to work (with a deprecation) under 1.7
-    verbose, $VERBOSE = $VERBOSE, nil
-    java.lang.Long.new(111).__jsend! :toString
-  ensure
-    $VERBOSE = verbose
-  end
-
   # JRUBY-2277
   # kind of a strange place for this test, but the error manifested
   # when JI was enabled.  the actual bug was a problem in alias_method,