[Swan-commit] Changes to ref refs/heads/main

[Andrew Cagney]

New commits:
commit 76b09b05a2ef079a00d6c9e7c8d6c7483794d2cd
Author: Andrew Cagney <cagney at gnu.org>
Date:   Thu Sep 30 14:19:46 2021 -0400

    Revert "fd: add fd_{add,del}ref{,_where}()"
    
    Also contained work-in-progress changes to delete_states_by_connection()
    
    This reverts commit 6d798e8f983395f8d8b54094eb296d65109c37a9.