Cocoa is no longer used

examples/llama.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# pip3 install sentencepiece pyobjc-framework-Metal pyobjc-framework-Cocoa pyobjc-framework-libdispatch
+# pip3 install sentencepiece
 #import typeguard.importhook
 #typeguard.importhook.install_import_hook('tinygrad')
 

setup.py

@@ -21,7 +21,6 @@ setup(name='tinygrad',
       ],
       install_requires=["numpy", "tqdm", "pyopencl",
                         "pyobjc-framework-Metal; platform_system=='Darwin'",
-                        "pyobjc-framework-Cocoa; platform_system=='Darwin'",
                         "pyobjc-framework-libdispatch; platform_system=='Darwin'"],
       python_requires='>=3.8',
       extras_require={

tinygrad/runtime/ops_metal.py

@@ -1,4 +1,3 @@
-# pip3 install pyobjc-framework-Metal pyobjc-framework-Cocoa pyobjc-framework-libdispatch
 import os, subprocess, pathlib, ctypes, tempfile
 import Metal, libdispatch
 from typing import List, Any, Tuple, Dict, Set, cast, Optional