[V1] Fully Transparent Implementation of CPU Offloading (#15354)

Signed-off-by: youkaichao <youkaichao@gmail.com>

tests/quantization/test_cpu_offload.py

@@ -10,13 +10,6 @@ from tests.quantization.utils import is_quant_method_supported
 from ..utils import compare_two_settings
 
 
-@pytest.fixture(scope="function", autouse=True)
-def use_v0_only(monkeypatch):
-    # Fall back to V0 if cpu offloading is enabled.
-    # Fixture is required to that baseline uses V0.
-    monkeypatch.setenv('VLLM_USE_V1', '0')
-
-
 @pytest.mark.skipif(not is_quant_method_supported("fp8"),
                     reason="fp8 is not supported on this GPU type.")
 def test_cpu_offload_fp8():