libclang path is homebrew on macos (#14357)

* libclang path is homebrew macos

* typo

* ugh

* typo

* regen

* no LIBCLANG_PATH

.github/workflows/autogen.yml

@@ -84,7 +84,7 @@ jobs:
     - name: Regenerate autogen files
       run: |
         rm tinygrad/runtime/autogen/metal.py tinygrad/runtime/autogen/iokit.py tinygrad/runtime/autogen/corefoundation.py
-        LIBCLANG_PATH=/opt/homebrew/opt/llvm@20/lib/libclang.dylib python3 -c "from tinygrad.runtime.autogen import metal, iokit, corefoundation"
+        python3 -c "from tinygrad.runtime.autogen import metal, iokit, corefoundation"
     - name: Check for differences
       run: |
         if ! git diff --quiet; then

.github/workflows/test.yml

@@ -792,8 +792,6 @@ jobs:
         ocelot: 'true'
         llvm: 'true'
     - name: Run unit tests
-      env:
-        LIBCLANG_PATH: '/opt/homebrew/opt/llvm@20/lib/libclang.dylib'
       run: METAL=1 python -m pytest -n=auto test/unit/ --durations=20
     - name: Run ONNX
       run: METAL=1 python -m pytest -n=auto test/external/external_test_onnx_backend.py --durations=20