Update app.py

app.py

@@ -40,9 +40,6 @@ function start() {
     const urlParams = new URLSearchParams(window.location.search);
     var parampdf = urlParams.get('pdfurl')
     var parammod = urlParams.get('mod')
-    if (parammod === "") {
-        parammod="en_US-joe-medium";
-    };
     return parampdf,parammod
 }"""