More rubocop

Author: chutzimir

spec/unit/puppet-lint/plugins/legacy_facts/legacy_facts_spec.rb

@@ -123,13 +123,12 @@
     end
 
     context 'top scoped fact variable using unquoted legacy facts hash variable in interpolation' do
-      let(:code) { "$::facts[osfamily]" }
+      let(:code) { '$::facts[osfamily]' }
 
       it 'detects a single problem' do
         expect(problems).to have(1).problem
       end
     end
-
   end
 
   context 'with fix enabled' do