Merge pull request stripe-ruby-mock#667 from mnin/feature/refactor_payment_methods

Remove empty and duplicated methods from payment methods

Author: alexmamonchik

lib/stripe_mock/request_handlers/payment_methods.rb

@@ -1,7 +1,6 @@
 module StripeMock
   module RequestHandlers
     module PaymentMethods
-
       ALLOWED_PARAMS = [:customer, :type]
 
       def PaymentMethods.included(klass)
@@ -52,26 +51,6 @@ def get_payment_methods(route, method_url, params, headers)
 
         Data.mock_list_object(clone.values, params)
       end
-
-      #
-      # params: {:customer=>"test_cus_3"}
-      #
-      def attach_payment_method(route, method_url, params, headers)
-        route =~ method_url
-        id = $1
-        payment_methods[id].merge!(params)
-        payment_methods[id].clone
-      end
-
-      def detach_payment_method(route, method_url, params, headers)
-
-      end
-
-      def get_payment_method(route, method_url, params, headers)
-        route =~ method_url
-        id = $1
-        assert_existence(:payment_method, $1, payment_methods[id])
-      end
 
       # post /v1/payment_methods/:id/attach
       def attach_payment_method(route, method_url, params, headers)