removes render :update from views

actionpack/lib/action_view/rendering.rb

@@ -6,7 +6,6 @@ module ActionView
     # Returns the result of a render that's dictated by the options hash. The primary options are:
     #
     # * <tt>:partial</tt> - See ActionView::Partials.
-    # * <tt>:update</tt> - Calls update_page with the block given.
     # * <tt>:file</tt> - Renders an explicit template file (this used to be the old default), add :locals to pass in those.
     # * <tt>:inline</tt> - Renders an inline template similar to how it's done in the controller.
     # * <tt>:text</tt> - Renders the text passed in out.
@@ -26,8 +25,6 @@ module ActionView
         else
           _render_template(options)
         end
-      when :update
-        update_page(&block)
       else
         _render_partial(:partial => options, :locals => locals)
       end

actionpack/test/template/render_test.rb

@@ -68,10 +68,6 @@ module RenderTestCases
     assert_equal "The secret is in the sauce\n", @view.render(:file => "test/dot.directory/render_file_with_ivar")
   end
 
-  def test_render_update
-    assert_equal 'alert("Hello, World!");', @view.render(:update) { |page| page.alert('Hello, World!') }
-  end
-
   def test_render_partial_from_default
     assert_equal "only partial", @view.render("test/partial_only")
   end