Revert FP8 integration (NVIDIA#8520) (NVIDIA#8524)

* Revert FP8 integration

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Signed-off-by: Mingyuan Ma <mingyuanm@nvidia.com>
Co-authored-by: Ming <111467530+Victor49152@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Signed-off-by: Agoniii <815244047@qq.com>

examples/multimodal/text_to_image/stable_diffusion/conf/sd_train.yaml

@@ -191,7 +191,7 @@ model:
       synthetic_data_length: 10000
       train:
           dataset_path:
-              - /datasets/coyo/test.pkl
+            - /datasets/coyo/test.pkl
           augmentations:
             resize_smallest_side: 512
             center_crop_h_w: 512, 512