rm broken links

attic/migrating_a_single_user_from_mbx_to_maildir.markdown

@@ -10,7 +10,6 @@ Environment
   * Mails arrive by default in `/var/mail/%u` and UW-IMAP moves them to `/var/imap/%1u/%u/INBOX` on INBOX selection.
   * `mbox_snarf` plugin for Dovecot can't snarf to Maildir mailboxes -> no option for us
   * We use the Maildir++ Extension for subfolders as used by Dovecot and Courier. This means the Maildir subfolder "xyz" is named ".xyz" on the filesystem.
-  * See [[Using dovecot pre-authenticated besides another IMAPd]] for details on the IMAPd and MDA configuration.
 
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