remove using mocked hf download

Signed-off-by: Govind Ramnarayan <105831528+govind-ramnarayan@users.noreply.github.com>

Author: govind-ramnarayan

tests/unittest/_torch/auto_deploy/unit/singlegpu/test_ad_speculative_decoding.py

@@ -21,7 +21,7 @@
 from tensorrt_llm.llmapi import DraftTargetDecodingConfig, KvCacheConfig
 
 
-@pytest.mark.parametrize("use_hf_speculative_model", [False, True])
+@pytest.mark.parametrize("use_hf_speculative_model", [False])
 @with_mocked_hf_download
 def test_ad_speculative_decoding_smoke(use_hf_speculative_model: bool):
     """Test speculative decoding with AutoDeploy using the build_and_run_ad main()."""