feat: remove Conduit Matrix service

Remove all traces of the Conduit Matrix homeserver service including:
- Delete conduit-compose.yml.j2 template and conduit.yml task file
- Remove conduit from development services category
- Remove conduit Caddy reverse proxy configuration
- Remove conduit subdomain from domains.yml
- Remove conduit DNS A record from Route53
- Delete Matrix well-known files (client/server)
- Update all documentation from 25 to 24 services

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

roles/docker/files/Caddyfile

@@ -64,13 +64,6 @@ thesatelliteoflove.com {
     file_server
 }
 
-chat.thesatelliteoflove.com, chat.thesatelliteoflove.com:8448 {
-    handle /.well-known/* {
-        root * /srv/matrix
-        file_server
-    }
-    reverse_proxy /_matrix/* conduit-homeserver-1:6167
-}
 
 
 bookmarks.thesatelliteoflove.com {