github: Drop macOS test step altogether

Author: penberg

.github/workflows/CI.yml

@@ -136,8 +136,6 @@ jobs:
       fail-fast: false
       matrix:
         settings:
-          - host: macos-latest
-            target: aarch64-apple-darwin
           - host: windows-latest
             target: x86_64-pc-windows-msvc
         node: