Sync from v0.13

use_existing_torch.py

@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+import glob
+
+for file in (*glob.glob("requirements/*.txt"), "pyproject.toml"):
+    print(f">>> cleaning {file}")
+    with open(file) as f:
+        lines = f.readlines()
+    if "torch" in "".join(lines).lower():
+        print("removed:")
+        with open(file, "w") as f:
+            for line in lines:
+                if "torch" not in line.lower():
+                    f.write(line)
+                else:
+                    print(line.strip())
+    print(f"<<< done cleaning {file}\n")