fix(ci): remove unused macOS config from Cross.toml

- Cross.toml only used for ARM64 Linux builds
- Removed aarch64-apple-darwin config causing warnings
- macOS builds use native cargo, not cross
- Fixes ARM64 Linux release builds

Signed-off-by: Michael A. Kuykendall <[email protected]>

Author: Michael-A-Kuykendall

Cross.toml

@@ -1,18 +1,7 @@
-# Cross-compilation configuration for MLX development
+# Cross-compilation configuration for ARM64 Linux
 [build.env]
 passthrough = [
     "CARGO_INCREMENTAL",
     "CARGO_NET_RETRY", 
     "CARGO_NET_TIMEOUT",
-]
-
-[target.aarch64-apple-darwin]
-# MLX requires Apple Silicon - this only tests compilation
-pre-build = [
-    "echo 'Testing MLX compilation for Apple Silicon'",
-    "echo 'Note: Execution requires real Apple hardware'",
-]
-
-[target.aarch64-apple-darwin.env]
-# Environment for MLX compilation testing
-MACOSX_DEPLOYMENT_TARGET = "11.0"  # MLX minimum macOS version
+]