Impleneted search by country, and added mesurment unit

backend/app/plugins/wiaas/includes/product/class-wiaas-product-supplier.php

@@ -33,6 +33,7 @@ class Wiaas_Product_Supplier {
             'labels' => $labels,
             'show_ui' => true,
             'show_admin_column' => true,
+            'meta_box_cb'      => false,
             'query_var' => true,
             'rewrite' => array('slug' => 'template_category'),
         );