Revert "Add a macro for complexes multiparts"

rswag-specs/spec/rswag/specs/request_factory_spec.rb

@@ -178,20 +178,6 @@ module Rswag
               )
             end
           end
-
-          context 'smart form payload' do
-            before do
-              metadata[:operation][:consumes] = ['multipart/form-data']
-              metadata[:operation][:parameters] = [{ name: 'comment', in: :formData, schema: { type: 'object' } }]
-              allow(example).to receive(:comment).and_return(text: 'Some comment')
-            end
-
-            it 'sets payload to hash of names and example values' do
-              expect(request[:payload]).to eq(
-                :text => 'Some comment'
-              )
-            end
-          end
         end
 
         context 'produces content' do