Add translations for OmniPrice module in French and Italian, and update upgrade scripts

- Added French translations for the OmniPrice module (fr.php).
- Added Italian translations for the OmniPrice module (it.php).
- Created empty Dutch translation file (nl.php).
- Implemented upgrade script for version 1.1.11 to update configuration for showing real discount.
- Implemented upgrade script for version 1.2.0 to update configuration for indexing inactive products.
- Implemented upgrade script for version 1.2.3 to update configuration for ignoring non-EU countries.

themes/classic/templates/catalog/_partials/miniatures/product.tpl

@@ -65,7 +65,7 @@
             {/if}
           {/block} *}
 
-          
+
           {block name='product_price_and_shipping'}
             <form action="{$urls.pages.cart}" method="post" class="product-add-to-basket" id="add-to-cart-or-refresh">
               <input type="hidden" name="token" value="{$static_token}">

themes/classic/templates/catalog/_partials/product-prices.tpl

@@ -113,5 +113,4 @@
       {/if}
     </div>
   </div>
-  {hook h='displayProductPriceBlock' product=$product type="after_price"}
 {/if}