pidgin/pidgin

simple: Remove unused listenfd struct member.

2020-05-18, Elliott Sales de Andrade
f48ae2077684
simple: Remove unused listenfd struct member.

It is always -1 now, and never set to anything because there is no
longer a TCP listener using purple_network_listen.
libpurple/data/purple-url-handler.desktop.in
libpurple/protocols/null/nullprpl.c
pidgin/data/im.pidgin.Pidgin.desktop.in
sub/libpurple/data/purple-url-handler.desktop.in
sub/libpurple/protocols/null/nullprpl.c
sub/pidgin/data/im.pidgin.Pidgin.desktop.in