Log Message:
Update cyrus-imapd24 to 2.4.13.
While here, remove paches for ancient Darwin.

Changes to the Cyrus IMAP Server since 2.4.12

      * Bug #3565 - fix gcc compiler warnings - thanks Dilyan Palauzov
        <dilyan.palauzov@aegee.org>
      * Bug #2685 - rename annots in delayed folder delete. Avoids
        annotations "reappearing" when a folder is recreated
      * Bug #3566 - actually fix in a backward compatible way. 2.4.12 broke
        older versions of bison
      * Lots of small cleanups from CMU as they prepared to build RSS into
        their 2.4 build. Thanks Ken
      * Bug #3591/#3609 - fix crash in mupdate on partition move
      * Bug #3610 - fix replication of partition move
      * Bug #3564 - document the way prefork interacts with multiple
        network protocols
      * Bug #3586 - allow rename of "\Noselect" if subfolders exist
      * A handful of small cleanups (#3593, #3594, #3595) from David Carter
        <dpc22@cam.ac.uk>. Very much appreciated
      * Disabled duplicate_check DEBUG level log messages by default.
        Thanks Philip Prindeville <philipp@redfish-solutions.com>
      * Bug #3608 - log mailbox name in more sync failure cases
      * Bug #3615 - fix proxyd_disable_mailbox_referrals. Thanks Andrew
        Morgan <morgan@orst.edu>
      * Bug #3611 - fix crash in sync_mailbox_full if expunge fails
      * Backported some nice fixes from master, including safer thread/sort
        (there were some crashes on bad messages before)
      * Fixed infinite loop on suppress_capabilities with substrings of
        other capabilities. Ouch.
      * Fixed LIST and LSUB again - this time to make LIST "" \ 
"*%" work
        without breaking other things
      * Bug #3588 - make XFER not break if the wrong server name was used.
        The start of making murder safer
      * Bug #3603 - tidied up usage of kick_mupdate so it never gets called
        on standard murder backends
      * Bug #3604 - always suppress the DELETED.* mailbox names, even if
        delete_mode is immediate. It means a config change or different
        frontend won't show undeletable mailboxes
      * Bug #3602 - allow UpperCase in service names to work