early exit config fix

Author: ebsmothers

recipes/dev/7B_full_early_exit.yaml

@@ -93,8 +93,7 @@ dtype: bf16
 # Logging
 metric_logger:
   _component_: torchtune.training.metric_logging.DiskLogger
-  log_dir: ${output_dir}
-output_dir: /tmp/topv2-llama2-finetune
+  log_dir: ${output_dir}/logs
 log_every_n_steps: 1
 log_peak_memory_stats: True