Remove hyperlink from Email address

gui/src/components/About.js

@@ -325,7 +325,7 @@ export default function About() {
         <Markdown>{`
         ### Getting Help
         If you encounter any difficulties, please write to
-        [support@nomad-lab.eu](mailto:support@nomad-lab.eu). If you think
+        support@nomad-lab.eu . If you think
         that this web-page is not working as expected, or if you want to start a discussion
         about possible features, feel free to open an issue on our
         [github project](https://github.com/nomad-coe/nomad/issues).