Don't need to make a cpu build for metal; fix arg

Author: cmdr2

scripts/build/platform_metal.py

@@ -12,7 +12,7 @@ def check_environment():
 
 def get_compile_flags():
     """Get compile flags for Metal."""
-    return ["-DSD_METAL=ON", "-DGGML_ACCELERATE=ON", "-DGGML_AVX2=ON", '-DCMAKE_OSX_ARCHITECTURES="arm64"']
+    return ["-DSD_METAL=ON", "-DGGML_ACCELERATE=ON", "-DGGML_AVX2=ON", "-DCMAKE_OSX_ARCHITECTURES=arm64"]
 
 
 def get_platform_name():

scripts/build_all.py

@@ -16,7 +16,6 @@
         "vulkan",
     ],
     "Darwin": [
-        "cpu",
         "metal",
     ],
 }