revert to remote

_includes/head/custom.html

@@ -8,6 +8,6 @@
         r=o.createElement('script');r.async=1;
         r.src=t+h._hjSettings.hjid+j+h._hjSettings.hjsv;
         a.appendChild(r);
-    })(window,document,'/assets/docs-','.js?sv=');
+    })(window,document,'https://static.hotjar.com/c/hotjar-','.js?sv=');
 </script>
 <!-- end custom head snippets -->