Revert PTA upgrade PR (#3352)

we notice that torch npu 0919 doesn't work. This PR revert related
change which rely on 0919 version.
Revert PR: #3295  #3205  #3102 

Related: #3353

- vLLM version: v0.11.0

tests/ut/torchair/quantization/test_torchair_w8a8_dynamic.py

@@ -1,6 +1,5 @@
 from unittest.mock import MagicMock, patch
 
-import pytest
 import torch
 
 from tests.ut.base import TestBase
@@ -17,10 +16,6 @@ class TestAscendW8A8FusedMoEMethod(TestBase):
                                        self.hidden_size,
                                        dtype=torch.bfloat16)
 
-    @pytest.mark.skipif(
-        True,
-        reason="fix me",
-    )
     @patch("torch.distributed.all_to_all_single")
     @patch("torch_npu.npu_moe_re_routing")
     @patch("torch_npu.npu_grouped_matmul")