No need to link the default version

Author: hugovk

.github/workflows/reusable-macos.yml

@@ -38,8 +38,6 @@ jobs:
     - name: Install Homebrew dependencies
       run: |
         brew bundle --file=.github/workflows/Brewfile
-        # Because alternate versions are not symlinked into place by default:
-        brew link --overwrite tcl-tk@9
     - name: Configure CPython
       run: |
         MACOSX_DEPLOYMENT_TARGET=10.15 \