track_inventory_levels is always true in OFN

app/models/spree/stock_movement.rb

@@ -19,8 +19,6 @@ module Spree
     private
 
     def update_stock_item_quantity
-      return unless Spree::Config[:track_inventory_levels]
-
       stock_item.adjust_count_on_hand quantity
     end
   end

spec/models/spree/stock_movement_spec.rb

@@ -18,14 +18,6 @@ describe Spree::StockMovement do
     }.to raise_error(ActiveRecord::ReadOnlyRecord)
   end
 
-  it 'does not update count on hand when track inventory levels is false' do
-    Spree::Config[:track_inventory_levels] = false
-    subject.quantity = 1
-    subject.save
-    stock_item.reload
-    stock_item.count_on_hand.should == 10
-  end
-
   context "when quantity is negative" do
     context "after save" do
       it "should decrement the stock item count on hand" do