[feedback] esc key binding canceled.

- esc key binding canceled on server-side.

Author: frknbasaran

plugins/star-rating/frontend/public/templates/feedback-popup.html

@@ -313,20 +313,7 @@
                         }
                     });
                 }
-                // close when clicked to escape key
-                document.onkeydown = function(evt) {
-                    evt = evt || window.event;
-                    var isEscape = false;
-                    if ("key" in evt) {
-                        isEscape = (evt.key == "Escape" || evt.key == "Esc");
-                    } else {
-                        isEscape = (evt.keyCode == 27);
-                    }
-                    if (isEscape) {
-                        hideFeedbackPopup();
-                    }
-                };
-
+                
                 // event handler for countly feedback show comment area checkbox
                 // show hide comment area
                 $('body').on('change','#countly-feedback-show-comment', showHideCommentArea);