move rubocop disable to rubocop.yml

Author: mgrunberg

.rubocop.yml

@@ -48,3 +48,7 @@ Style/RegexpLiteral:
 
 RSpec/MessageSpies:
   EnforcedStyle: receive
+
+# TODO: investigate changes to release process and then enable MFA (https://guides.rubygems.org/mfa-requirement-opt-in/)
+Gemspec/RequireMFA:
+  Enabled: false

cucumber-rails.gemspec

@@ -2,7 +2,7 @@
 
 $LOAD_PATH.unshift File.expand_path('lib', __dir__)
 
-Gem::Specification.new do |s| # rubocop:disable Gemspec/RequireMFA
+Gem::Specification.new do |s|
   s.name        = 'cucumber-rails'
   s.version     = '2.4.0'
   s.authors     = ['Aslak Hellesøy', 'Dennis Blöte', 'Rob Holland']