Rename omarchy-mac-ml description to match its menu label

Drops the "Local AI" name; the description now reads the same promise as
the menu label MLX + Core ML (Apple Silicon).

pkgbuilds/omarchy-mac-ml/PKGBUILD

@@ -3,7 +3,7 @@
 pkgname=omarchy-mac-ml
 pkgver=1
 pkgrel=1
-pkgdesc='Local AI on Apple Silicon Macs: MLX on the GPU and Core ML models on the Neural Engine'
+pkgdesc='MLX on the GPU and Core ML models on the Neural Engine for Apple Silicon Macs'
 arch=('aarch64')
 groups=('omarchy-platform-apple-silicon')
 url='https://github.com/omacom/omarchy-pkgs'