server: use port 9931 by default (#30159)

* server: use port 9931 by default

* revert unrelated changes

tools/server/server.cpp

@@ -521,16 +521,8 @@ int llama_server(common_params & params, int argc, char ** argv, server_child &
 #endif
     }
 
-    bool uses_default_port = false;
     for (const auto & address : ctx_http.listening_addresses) {
         SRV_INF("listening on %s\n", address.c_str());
-        uses_default_port |= string_ends_with(address, ":8080");
-    }
-
-    // TODO: remove this in the future
-    // check the string to also handle the .sock case
-    if (uses_default_port) {
-        SRV_WRN("%s", "notice: server default port will be changed to :9931 in a future release (ref: https://github.com/ggml-org/llama.cpp/pull/26508)\n");
     }
 
     if (is_router_server) {