matrix-tuwunel: remove restriction on setting both address and unix_socket_path

nixos/modules/services/matrix/tuwunel.nix

@@ -81,7 +81,6 @@ in
             description = ''
               Addresses (IPv4 or IPv6) to listen on for connections by the reverse proxy/tls terminator.
               If set to `null`, tuwunel will listen on IPv4 and IPv6 localhost.
-              Must be `null` if `unix_socket_path` is set.
             '';
           };
           global.port = lib.mkOption {
@@ -167,14 +166,6 @@ in
 
   config = lib.mkIf cfg.enable {
     assertions = [
-      {
-        assertion = !(cfg.settings ? global.unix_socket_path) || !(cfg.settings ? global.address);
-        message = ''
-          In `services.matrix-tuwunel.settings.global`, `unix_socket_path` and `address` cannot be set at the
-          same time.
-          Leave one of the two options unset or explicitly set them to `null`.
-        '';
-      }
       {
         assertion = cfg.user != defaultUser -> config ? users.users.${cfg.user};
         message = "If `services.matrix-tuwunel.user` is changed, the configured user must already exist.";