removed redundant ribica name from subfolders

back-office/app/models/item.rb

@@ -0,0 +1,7 @@
+class Item < ActiveRecord::Base
+  belongs_to :unit
+  has_many :multi_media_descriptions
+  belongs_to :sub_category
+
+  validates_presence_of :name, :description, :list_price, :current_input_price, :tags, :unit_id, :code, :sub_category_id
+end