remove probably over-specified python@3.10 link overwrite

Author: mohawk2

github-actions/install-dep-opencv/action.yml

@@ -15,8 +15,6 @@ runs:
       run: |
           if ${{ toJSON( runner.os == 'macOS' ) }}; then
             echo "::group::Install OpenCV (via brew)"
-            brew install opencv || true
-            brew link --overwrite python@3.10 # fix a dep
             brew install opencv
             echo "::endgroup::"
           fi