clean source code

Signed-off-by: Arnav Bhatt <arnav@ghativega.in>

test/emscripten/joystick-pre.js

@@ -1,25 +0,0 @@
-Module['arguments'] = ['0'];
-//Gamepads don't appear until a button is pressed and the joystick/gamepad tests expect one to be connected
-Module['preRun'].push(function()
-{
-    Module['print']("Waiting for gamepad...");
-    Module['addRunDependency']("gamepad");
-    window.addEventListener('gamepadconnected', function()
-    {
-        //OK, got one
-        Module['removeRunDependency']("gamepad");
-    }, false);
-
-    //chrome
-    if(!!navigator.webkitGetGamepads)
-    {
-        var timeout = function()
-        {
-            if(navigator.webkitGetGamepads()[0] !== undefined)
-                Module['removeRunDependency']("gamepad");
-            else
-                setTimeout(timeout, 100);
-        }
-        setTimeout(timeout, 100);
-    }
-});