Cleanup Readme

Author: Sebastian Koschel

README.md

@@ -64,7 +64,7 @@ Lightweight customizable placeholders for third party content of your website (e
             new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
             j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
             'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
-            })(window,document,'script','dataLayer','<f:format.raw>{settings.GoogleTagManagerContainerId}</f:format.raw>');
+            })(window,document,'script','dataLayer','{settings.GoogleTagManagerContainerId}');
       </script>
       ```