libobs: Remove warning log for raw outputs when starting data capture

#8873 accidentally used `log_flag_encoded()` instead of `flag_encoded()` in `obs_output_begin_data_capture()`, which was causing a warning to be logged when it shouldn't.

libobs/obs-output.c

@@ -2275,7 +2275,7 @@ bool obs_output_begin_data_capture2(obs_output_t *output)
 
 	output->total_frames = 0;
 
-	if (!log_flag_encoded(output, __FUNCTION__, false))
+	if (!flag_encoded(output))
 		reset_raw_output(output);
 
 	if (!can_begin_data_capture(output))