README: Update contact point for deployment consulting.

Author: alexmv

README.md

@@ -345,8 +345,7 @@ This image is not designed to make it easy to run multiple copies of
 the `zulip` application server container (and you need to know a lot
 about Zulip to do this sort of thing successfully). If you're
 interested in running a high-availablity Zulip installation, your best
-bet is to get in touch with the Zulip support team at
-`[email protected]`.
+bet is to get in touch with the Zulip team at `[email protected]`.
 
 ## Networking and reverse proxy configuration