remove maximum-scale in <meta name="viewport">

templates/header.html

@@ -1,7 +1,7 @@
 		<link rel="stylesheet" media="screen" href="{{ config.url_stylesheet }}">
 		{% if config.url_favicon %}<link rel="shortcut icon" href="{{ config.url_favicon }}">{% endif %}
 		<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-		<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=yes">
+		<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=yes">
 		{% if config.meta_keywords %}<meta name="keywords" content="{{ config.meta_keywords }}">{% endif %}
 		{% if config.default_stylesheet.1 != '' %}<link rel="stylesheet" type="text/css" id="stylesheet" href="{{ config.uri_stylesheets }}{{ config.default_stylesheet.1 }}">{% endif %}
 		{% if config.font_awesome %}<link rel="stylesheet" media="screen" href="{{ config.root }}{{ config.font_awesome_css }}">{% endif %}