title: Remove duplicate product with lower price using mysql query
body: <p>I have many duplicate products that I need to delete. Is there a query to delete these "Duplicates" with the "lower price" and/or "Same Price" an just keep 1 of each product?</p>
  
  <p>The duplicates have duplicate "Product Name" I am using Opencart Version 2.1.0.1</p>