[CI/Build] Remove redundant LoRA model tests (vllm-project#23706)

Signed-off-by: Jee Jee Li <[email protected]>

Author: jeejeelee

tests/lora/conftest.py

@@ -216,11 +216,6 @@ def tinyllama_lora_files():
     return snapshot_download(repo_id="jashing/tinyllama-colorist-lora")
 
 
-@pytest.fixture(scope="session")
-def phi2_lora_files():
-    return snapshot_download(repo_id="isotr0py/phi-2-test-sql-lora")
-
-
 @pytest.fixture
 def reset_default_device():
     """