Drop installation of cmake

.github/workflows/apple_m.yml

@@ -44,7 +44,7 @@ jobs:
           elif [ "$RUNNER_OS" == "macOS" ]; then
             # It looks like "gfortran" isn't working correctly unless "gcc" is re-installed.
             brew reinstall gcc
-            brew install coreutils cmake ccache
+            brew install coreutils ccache
             brew install llvm
           else
             echo "::error::$RUNNER_OS not supported"