Address error int he quantity_year_to_date method where we were getting huge amounts

Author: seanmarcia

app/models/partner.rb

@@ -53,10 +53,8 @@ def register_on_partnerbase
 
   def quantity_year_to_date
     distributions
-      .includes(items: :line_items)
+      .includes(:line_items)
       .where("line_items.created_at > ?", Time.zone.today.beginning_of_year)
-      .references(items: :line_items).map do |distribution|
-      distribution.items.map(&:line_items)
-    end.flatten.sum(&:quantity)
+      .references(:line_items).map(&:line_items).flatten.sum(&:quantity)
   end
 end