Revert "Add new cuda/pathfinder/_utils/env_vars_for_include.py and us…

…e from find_nvidia_headers.py" This reverts commit c90c393.
NVIDIA · rwgk · Sep 5, 2025 · May 27, 2025 · May 28, 2025 · May 28, 2025
commit cee717ac487b9dc0fd121dfb2ea1fa66e973869e
diff --git a/cuda_pathfinder/cuda/pathfinder/_headers/find_nvidia_headers.py b/cuda_pathfinder/cuda/pathfinder/_headers/find_nvidia_headers.py
@@ -4,11 +4,10 @@
 import functools
 import glob
 import os
-from typing import Optional, cast
+from typing import Optional
 
 from cuda.pathfinder._dynamic_libs.supported_nvidia_libs import IS_WINDOWS
 from cuda.pathfinder._utils.conda_env import get_conda_prefix
-from cuda.pathfinder._utils.env_vars_for_include import iter_env_vars_for_include_dirs
 from cuda.pathfinder._utils.find_sub_dirs import find_sub_dirs_all_sitepackages
 
 
@@ -43,10 +42,4 @@ def find_nvidia_header_directory(libname: str) -> Optional[str]:
             if os.path.isfile(nvshmem_h_path):
                 return hdr_dir
 
-    for hdr_dir in iter_env_vars_for_include_dirs():
-        if os.path.isdir(hdr_dir):
-            nvshmem_h_path = os.path.join(hdr_dir, "nvshmem.h")
-            if os.path.isfile(nvshmem_h_path):
-                return cast(str, hdr_dir)  # help mypy
-
     return None
diff --git a/cuda_pathfinder/cuda/pathfinder/_utils/env_vars_for_include.py b/cuda_pathfinder/cuda/pathfinder/_utils/env_vars_for_include.py
diff --git a/cuda_pathfinder/tests/test_utils_env_vars_for_include.py b/cuda_pathfinder/tests/test_utils_env_vars_for_include.py