fix: Remove unused code

Author: fsbraun

djangocms_versioning/static/djangocms_versioning/js/compare.js

@@ -7,19 +7,14 @@ function bindHandlers(submitButton){
 
 window.addEventListener('load', function() {
   document.querySelector('select[name=action]').addEventListener('change', function() {
-    // Always set handlersBound to false when the select option changed
-    let handlersBound = false;
     let selectVal = this.options[this.selectedIndex].getAttribute("value");
     const actionsForm = document.getElementById('changelist-form')
     const submitButton = actionsForm.querySelector('[type="submit"]')
 
     if (selectVal == "compare_versions") {
         // Setting the target to blank to ensure the compare view is opened in a new tab
         actionsForm.setAttribute('target', '_blank');
-        if (handlersBound === false) {
-            bindHandlers(submitButton);
-            handlersBound = true
-        }
+        bindHandlers(submitButton);
     }else {
         // If the user deselect the compare version action, the "target=_blank" is removed
         actionsForm.removeAttribute('target');