[FIX] wording + remove useless JS code

pos_default_empty_image/README.rst

@@ -2,9 +2,9 @@
    :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
    :alt: License: AGPL-3
 
-=======================
-POS Default Empty Image
-=======================
+================================================
+Optimize loading time for products without image
+================================================
 
 This module extends the functionality of point of sale to make PoS load faster
 and to improve products display.
@@ -12,11 +12,12 @@ and to improve products display.
 Point Of Sale Load faster
 -------------------------
 
-In the point of sale, trying to load known inexistant images is a waste of time.
+In the point of sale, loading product without image spend unnecessary time
+and resources
 
 When you have 8000 products in your Point of Sale and most of them 
-don't have images, you are happy to save thousands of useless requests:
-the POS load way faster.
+don't have images, removing thousands of useless requests is welcome:
+the POS loads faster that way.
 
 
 Improve products display

pos_default_empty_image/__manifest__.py

@@ -3,9 +3,9 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 {
     'name': 'POS Default empty image',
-    'version': '10.0.0.1.0',
+    'version': '10.0.1.0.0',
     'category': 'Point Of Sale',
-    'summary': 'Optimise load time for products with no image',
+    'summary': 'Optimize loading time for products without image',
     'author': "Akretion, GRAP, Odoo Community Association (OCA)",
     'website': "https://akretion.com",
     'license': 'AGPL-3',

pos_default_empty_image/static/src/js/widgets.js

@@ -22,7 +22,6 @@ odoo.define('pos_default_empty_image.widgets', function (require) {
             else {
                 var cached = this.product_cache.get_node(product.id);
                 if(!cached){
-                    var image_url = this.get_product_image_url(product);
                     var product_html = QWeb.render('ProductNoImage',{
                         widget:  this,
                         product: product,