Refactor cart voucher templates to replace promotional text with "KOD RABATOWY:" in multiple themes and modules. Removed unused temporary image files from the checkout module.

modules/thecheckout/views/templates/front/_partials/cart-voucher.tpl

@@ -67,9 +67,7 @@
         </div>
 
         {if $cart.discounts|count > 0}
-          <p class="block-promo promo-highlighted">
-            {l s='Take advantage of our exclusive offers:' d='Shop.Theme.Actions'}
-          </p>
+          <p class="block-promo promo-highlighted">KOD RABATOWY:</p>
           <ul class="js-discount card-block promo-discounts">
           {foreach from=$cart.discounts item=discount}
             <li class="cart-summary-line">

modules/wkonepagecheckout/views/templates/front/content/_partials/wk_order_total.tpl

@@ -29,7 +29,7 @@
             </div>
             {if isset($cart.discounts) && $cart.discounts}
                 <!--<div class="wk-voucher-available col-md-12">
-                    <p class="block-promo promo-highlighted">{l s='Take advantage of our exclusive offers: ' mod='wkonepagecheckout'}</p>
+                    <p class="block-promo promo-highlighted">KOD RABATOWY:</p>
                     <ul class="block-promo">
                         {foreach $cart.discounts as $discounts}
                             <li>