Make rubocop happy

rubocop/cop/usage_data/histogram_with_large_table.rb

@@ -36,11 +36,11 @@ module RuboCop
 
           return unless Array(one_level_matches).any? || Array(two_level_matches).any?
 
-          if two_level_matches
-            class_name = "#{two_level_matches[0].first}::#{two_level_matches[1].first}".to_sym
-          else
-            class_name = one_level_matches[0].first
-          end
+          class_name = if two_level_matches
+                         "#{two_level_matches[0].first}::#{two_level_matches[1].first}".to_sym
+                       else
+                         one_level_matches[0].first
+                       end
 
           if large_table?(class_name)
             add_offense(node, location: :expression, message: format(MSG, model_name: class_name))

spec/rubocop/cop/usage_data/histogram_with_large_table_spec.rb

@@ -10,7 +10,7 @@ RSpec.describe RuboCop::Cop::UsageData::HistogramWithLargeTable do
 
   let(:config) do
     RuboCop::Config.new('UsageData/HistogramWithLargeTable' => {
-                          'HighTrafficModels' => high_traffic_models,
+                          'HighTrafficModels' => high_traffic_models
                         })
   end