MC-18366: Shipping confirmation email does not have link for order tracking

Author: serhii-balko

app/code/Magento/Shipping/view/frontend/templates/tracking/popup.phtml

@@ -62,8 +62,7 @@ $results = $block->getTrackingInfo();
 </div>
 <script>
     require([
-        'jquery',
-        'prototype'
+        'jquery'
     ], function (jQuery) {
         /* hide the close button when the content doesn't open in a modal window */
         if (window.opener === null || typeof window.opener === "undefined") {