Refactor validate code in Tax module

Author: gelanivishal

app/code/Magento/Tax/view/adminhtml/templates/class/page/edit.phtml

@@ -18,3 +18,10 @@ require(['jquery', "mage/mage"], function(jQuery){
 
 });
 </script>
+<script type="text/x-magento-init">
+    {
+        "#<?= /* @escapeNotVerified */ $block->getRenameFormId() ?>": {
+            "Magento_Tax/js/page/validate": {}
+        }
+    }
+</script>

app/code/Magento/Tax/view/adminhtml/web/js/page/validate.js

@@ -0,0 +1,15 @@
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+define([
+    'jquery',
+    'mage/mage'
+], function(jQuery){
+    'use strict';
+
+    return function (data, element) {
+        jQuery(element).mage('form').mage('validation');
+    }
+});