[CI] no need install uv (#1723)

Author: CSY-ModelCloud

.github/workflows/unit_tests.yml

@@ -638,7 +638,7 @@ jobs:
           curl -O http://$RUNNER/scripts/m4/profile.sb
 
           echo "=== installing uv setuptools build"
-          pip install uv setuptools build -U -i http://$RUNNER/simple --trusted-host $RUNNER --extra-index-url https://pypi.org/simple
+          pip install setuptools build -U -i http://$RUNNER/simple --trusted-host $RUNNER --extra-index-url https://pypi.org/simple
 
           echo "=== installing test tools"
           uv pip install pytest parameterized vllm lm-eval device-smi mlx-lm -U -i http://$RUNNER/simple/ --trusted-host $RUNNER --extra-index-url https://pypi.org/simple