move the small per-service host options to deploy.<service>

nix/host-modules/swarm-victorialogs-service.nix

@@ -62,21 +62,5 @@ in
       '';
     };
 
-    port = lib.mkOption {
-      type = lib.types.port;
-      default = 9428;
-      description = ''
-        Loopback port the store listens on. Upstream's default, kept
-        because there is no reason to move it and a familiar number is
-        one less thing an operator has to look up.
-
-        ⚠️ Every swarm container shares the host's network namespace, so
-        this is a swarm-wide claim rather than a per-container one — two
-        modules picking the same number collide at runtime with no bind
-        error and nothing in any log. No repo-wide
-        check catches it.
-      '';
-    };
-
   };
 }