Update 2.read-a-drivers-license.html

Author: Cube-J

4.use-case/2.read-a-drivers-license.html

@@ -72,7 +72,7 @@ <h1 id='header'>Read A Driver's License <a href="#" id='readAgain' hidden onclic
             }
         })();
         // decode video from camera
-        showScannerBtn.addEventListener('click', async () => {
+        showScannerBtn.addEventListener('click', () => {
             showScannerBtn.hidden = true;
             startScanning(false);
         });