optimize code, remove misstakes

script.js

@@ -6,12 +6,7 @@ function init() {
     for (let i = 0; i < cards.length; i++) {
         const cardListener = cards[i].getElementsByClassName('card-listener')[0];
         cardListener.addEventListener('click', () => openCard(cards, i));
-        document.body.addEventListener('mouseover', () => {
-            idleTime = Date.now();
-            console.log('User active, resetting idle timer.');
-        });
     }
-
 }
 
 function openCard(cards, i) {
@@ -132,11 +127,6 @@ function idle() {
             }
         }
     }, 100);
-
-    document.onclick = document.onm = function() {
-        console.log('User active, resetting idle timer.');
-        idleTime = 0;
-    };
 }
 
 document.onkeydown = (event) => {
@@ -178,11 +168,6 @@ document.onkeydown = (event) => {
     }
 }
 
-window.mouseover = () => {
-    idleTime = 0;
-    console.log('User active, resetting idle timer.');
-}
-
 let touchstartX = 0;
 let touchstartY = 0;
 let touchendX = 0;
@@ -199,6 +184,9 @@ window.addEventListener('touchend', function (event) {
     handleGesture();
 }, false);
 
+document.body.addEventListener('mouseover', () => {
+    idleTime = Date.now();
+});
 
 function handleGesture() {
     if (touchendX < touchstartX) {