Remove deprecated attributes from Budgets

Some fields from Budget are translatable and we no longer need them. This commit will remove the annoying deprecation warning thrown by Globalize gem after gem version update.

db/migrate/20190325184500_remove_deprecated_translatable_fields_from_budgets.rb

@@ -0,0 +1,5 @@
+class RemoveDeprecatedTranslatableFieldsFromBudgets < ActiveRecord::Migration[4.2]
+  def change
+    remove_column :budgets, :name, :string
+  end
+end

db/schema.rb

@@ -379,7 +379,6 @@ ActiveRecord::Schema.define(version: 20190607160900) do
   end
 
   create_table "budgets", force: :cascade do |t|
-    t.string   "name",                          limit: 80
     t.string   "currency_symbol",               limit: 10
     t.string   "phase",                         limit: 40, default: "accepting"
     t.datetime "created_at",                                                     null: false