Fix rubocop offences

lib/gitlab/cycle_analytics/base_query.rb

@@ -10,7 +10,7 @@ module Gitlab
       private
 
       def base_query
-        @base_query ||= stage_query(projects.map(&:id)) # rubocop:disable Gitlab/ModuleWithInstanceVariables
+        @base_query ||= stage_query(projects.map(&:id))
       end
 
       def stage_query(project_ids)

lib/gitlab/cycle_analytics/usage_data.rb

@@ -32,7 +32,7 @@ module Gitlab
 
       def medians_per_stage
         projects.each_with_object({}) do |project, hsh|
-          ::CycleAnalytics::ProjectLevel.new(project: project, options: options).all_medians_per_stage.each do |stage_name, median|            hsh[stage_name] ||= []
+          ::CycleAnalytics::ProjectLevel.new(project: project, options: options).all_medians_per_stage.each do |stage_name, median|
             hsh[stage_name] << median
           end
         end