pidgin/pidgin

Remove now-unused PurpleXferUiOps.destroy.

2019-12-22, Elliott Sales de Andrade
d26ef8ea193f
Remove now-unused PurpleXferUiOps.destroy.

UI data is stored on GObjects and automatically destroyed, so this isn't
really needed as a UI op for *our* UIs. There will be a replacement soon
if needed by other UIs.
/*
Copyright 1987, 1989 by the Student Information Processing Board
of the Massachusetts Institute of Technology
Permission to use, copy, modify, and distribute this software
and its documentation for any purpose and without fee is
hereby granted, provided that the above copyright notice
appear in all copies and that both that copyright notice and
this permission notice appear in supporting documentation,
and that the names of M.I.T. and the M.I.T. S.I.P.B. not be
used in advertising or publicity pertaining to distribution
of the software without specific, written prior permission.
M.I.T. and the M.I.T. S.I.P.B. make no representations about
the suitability of this software for any purpose. It is
provided "as is" without express or implied warranty.
*/