Fix run_path Hydra cfg variable in pretrain experiment cfg

- Don't refer to `hydra.job.override_dirname` since it is not defined in the pass when the `run_path` is evaluated

didactic/config/experiment/pretrain.yaml

@@ -17,4 +17,4 @@ callbacks:
     _target_: pytorch_lightning.callbacks.LearningRateFinder
 
 
-run_path: ${hydra:runtime.choices.experiment}/data=${hydra:runtime.choices.task/data}/encoder=${hydra:runtime.choices.task/model/encoder},cross_blocks=${oc.select:task.model.encoder.n_bidirectional_blocks,0},time_series_tokenizer=${hydra:runtime.choices.task/time_series_tokenizer/model}/cls_token=${task.cls_token}/${hydra.job.override_dirname}
+run_path: ${hydra:runtime.choices.experiment}/data=${hydra:runtime.choices.task/data}/encoder=${hydra:runtime.choices.task/model/encoder},cross_blocks=${oc.select:task.model.encoder.n_bidirectional_blocks,0},time_series_tokenizer=${hydra:runtime.choices.task/time_series_tokenizer/model}/cls_token=${task.cls_token}