Remove registration-related modules

roles/prosody/templates/prosody.cfg.lua.j2

@@ -28,7 +28,6 @@ modules_enabled = {
             "uptime"; -- Report how long server has been running
             "time"; -- Let others know the time here on this server
             "ping"; -- Replies to XMPP pings with pongs
-            "register"; -- Allow users to register on this server using a client and change passwords
             "mam"; -- Store messages in an archive and allow users to access it
             "csi_simple"; -- Simple Mobile optimizations
             "carbons"; -- Enable XEP-0280: Message Carbons
@@ -47,8 +46,6 @@ modules_enabled = {
             --"groups"; -- Shared roster support
             --"server_contact_info"; -- Publish contact information for this service
             "announce"; -- Send announcement to all online users
-            --"welcome"; -- Welcome users who register accounts
-            --"watchregistrations"; -- Alert admins of registrations
             --"motd"; -- Send a message to users when they log in
             --"legacyauth"; -- Legacy authentication. Only used by some old clients and bots.
             "proxy65"; -- Enables a file transfer proxy service which clients behind NAT can use