Simplify release: Linux + macOS ARM only

Author: lantos1618

.github/workflows/release.yml

@@ -25,11 +25,6 @@ jobs:
           - target: x86_64-unknown-linux-gnu
             os: ubuntu-latest
             name: zen-linux-x86_64
-          # macos-13 is Intel-based, required for x86_64 builds
-          - target: x86_64-apple-darwin
-            os: macos-13
-            name: zen-macos-x86_64
-          # macos-14 is ARM-based (Apple Silicon)
           - target: aarch64-apple-darwin
             os: macos-14
             name: zen-macos-arm64