Kill trailing whitespace in ruby files

app/logical/moderator/dashboard/report.rb

@@ -2,18 +2,18 @@ module Moderator
   module Dashboard
     class Report
       attr_reader :min_date, :max_level
-      
+
       def initialize(min_date, max_level)
         @min_date = min_date.present? ? min_date.to_date : 1.week.ago
         @max_level = max_level.present? ? User::Levels::MEMBER : max_level.to_i
       end
-      
+
       def artists
         ActiveRecord::Base.without_timeout do
           Queries::Artist.all(min_date, max_level)
         end
       end
-      
+
       def comments
         ActiveRecord::Base.without_timeout do
           Queries::Comment.all(min_date, max_level)
@@ -55,7 +55,7 @@ module Moderator
           Queries::Upload.all(min_date, max_level)
         end
       end
-      
+
       def user_feedbacks
         ActiveRecord::Base.without_timeout do
           Queries::UserFeedback.all