Ignore RuboCop failure for long block in Twitter::NullObject

Author: sferik

.rubocop.yml

@@ -1,3 +1,6 @@
+Metrics/BlockLength:
+  Max: 33
+
 Metrics/BlockNesting:
   Max: 2
 

Gemfile

@@ -11,7 +11,7 @@ end
 group :test do
   gem 'coveralls'
   gem 'rspec', '>= 2.14'
-  gem 'rubocop', '>= 0.37'
+  gem 'rubocop', '>= 0.46'
   gem 'simplecov', '>= 0.9'
   gem 'timecop'
   gem 'webmock'

lib/twitter/null_object.rb

@@ -17,10 +17,6 @@ def respond_to?(*)
       true
     end
 
-    def respond_to?(*)
-      true
-    end
-
     def instance_of?(klass)
       raise(TypeError, 'class or module required') unless klass.is_a?(Class)
       self.class == klass