test: remove unnecessary lines

apps/emqx_bridge_greptimedb/test/emqx_bridge_greptimedb_SUITE.erl

@@ -98,9 +98,6 @@ init_per_group(GreptimedbType, Config0) when
                 ],
                 #{work_dir => emqx_cth_suite:work_dir(Config0)}
             ),
-            {ok, _Api} = emqx_common_test_http:create_default_app(),
-            %% fixme: debugging
-            emqx_logger:set_log_level(debug),
             Config = [{use_tls, UseTLS} | Config0],
             {Name, ConfigString, GreptimedbConfig} = greptimedb_config(
                 grpcv1, GreptimedbHost, GreptimedbPort, Config