Function msg_del_member_local

pub(crate) async fn msg_del_member_local(
    context: &Context,
    removed_member_addr: &str,
    by_contact: ContactId,
) -> String

Stock string: I added member %1$s. or Member %1$s removed by %2$s..

The removed_member_addr parameter should be an email address and is looked up in the contacts to combine with the display name.