Revert "fix gpt oss EP with bf16"

This reverts commit e470c8f.

Signed-off-by: ashors1 <[email protected]>

Author: ashors1

vllm/model_executor/models/gpt_oss.py

@@ -489,8 +489,8 @@ def _load_weights_mxfp4(
 
     def _load_weights_other(
         self,
-        ep_rank_end: int,
         ep_rank_start: int,
+        ep_rank_end: int,
         heads_per_rank: int,
         head_start: int,
         weights: Iterable[tuple[str, torch.Tensor]],