Update on "remove old torch dependency in requirements.txt"

`torch 2.2.0.dev` is too stale to be useful.
For CI, since we will install nightly anyway, this avoids storing the old version in the docker image.


[ghstack-poisoned]

train_configs/debug_model.toml

@@ -3,6 +3,7 @@
 [job]
 dump_folder = "./outputs"
 description = "Llama 3 debug training"
+# TODO: turn this back on once ci have tokenizer
 use_for_integration_test = true
 
 [profiling]
@@ -49,7 +50,7 @@ interval_type = "steps"
 interval = 5
 model_weights_only = false
 export_dtype = "float32"
-async_mode = "disabled"  # ["disabled", "async", "async_with_pinned_mem"]
+async_mode = "disabled" # ["disabled", "async", "async_with_pinned_mem"]
 
 [activation_checkpoint]
 mode = 'selective'  # ['none', 'selective', 'full']