pidgin/pidgin

Move the PurpleProtocolServer interface to its own file.

2021-01-14, Gary Kramlich
53a26c29d26c
Move the PurpleProtocolServer interface to its own file.

Testing Done:
Compiled and ran locally. Connected with bonjour and xmpp without issues.

Bugs closed: PIDGIN-17458

Reviewed at https://reviews.imfreedom.org/r/418/
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