Revert "Add the options method to action_controller testcase."

This reverts commit 0303c2325f.

Conflicts:
	actionpack/lib/action_controller/test_case.rb

REASON: It will conflict with a lot of test cases. Better to call
`process` directly since this is a very uncommon HTTP method.

Fixes #10638.

actionpack/lib/action_controller/test_case.rb

@@ -499,12 +499,6 @@ module ActionController
         process(action, "HEAD", *args)
       end
 
-      # Simulate a OPTIONS request with the given parameters and set/volley the response.
-      # See +get+ for more details.
-      def options(action, *args)
-        process(action, "OPTIONS", *args)
-      end
-
       def xml_http_request(request_method, action, parameters = nil, session = nil, flash = nil)
         @request.env['HTTP_X_REQUESTED_WITH'] = 'XMLHttpRequest'
         @request.env['HTTP_ACCEPT'] ||=  [Mime::JS, Mime::HTML, Mime::XML, 'text/xml', Mime::ALL].join(', ')

actionpack/test/controller/test_case_test.rb

@@ -201,11 +201,6 @@ XML
     assert_raise(NoMethodError) { head :test_params, "document body", :id => 10 }
   end
 
-  def test_options
-    options :test_params
-    assert_equal 200, @response.status
-  end
-
   def test_process_without_flash
     process :set_flash
     assert_equal '><', flash['test']