mbox: Removed obsolete code that also wasn't compiling because of previous commit.
mbox: Removed obsolete code that also wasn't compiling because of previous commit.

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot