remove timezone.js

apps/files/js/timezone.js

-//send the clients time zone to the server
-$(document).ready(function() {
-	var visitortimezone = (-new Date().getTimezoneOffset()/60);
-	$.ajax({
-		type: "GET",
-		url: OC.filePath('files', 'ajax', 'timezone.php'),
-		data: 'time='+ visitortimezone,
-		success: function(){
-			location.reload();
-		}
-	});
-});
\ No newline at end of file