Format core sources again

Formatted with nl_func_type_name and related options set to ignore. This
keeps the formatting intact for long return types in declarations and
definitions.

server/core/internal/config_runtime.hh

@@ -60,7 +60,7 @@ bool runtime_create_server(const char* name,
                            const char* port,
                            const char* protocol,
                            const char* authenticator,
-                           bool        external = true);
+                           bool external = true);
 
 /**
  * @brief Destroy a server