Merge pull request #59 from digitalocean/hotfix/hmejia/remove-broken-…

…link

removed broken links

discourse-20-04/files/etc/update-motd.d/99-one-click

@@ -13,9 +13,6 @@ On your first login you will be prompted to configure your Discourse installatio
 All Discourse scripts and files may be found in /var/discourse and the setup
 utility can be run again by launching discourse-setup in that directory.
 
-Learn more about using this applicaition here:
-https://www.digitalocean.com/docs/marketplace/discourse/
-
 For help and more information, visit https://do.co/3dmapBw
 
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