rm gtm (#3704)

Co-authored-by: Trevor Shim <[email protected]>

dashboard/src/index.html

@@ -6,11 +6,11 @@
     window.dataLayer = window.dataLayer || [];
   </script>
   <!-- Google Tag Manager -->
-  <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+  <!-- <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
   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','GTM-P8D92VJ');</script>
+  })(window,document,'script','dataLayer','GTM-P8D92VJ');</script> -->
   <!-- End Google Tag Manager -->
 
   <title>Porter | Dashboard</title>