pidgin/pidgin

Remove the oscar protocol plugin from po/POTFILES.in
release-2.x.y v2.14.3
2021-04-08, Gary Kramlich
723c284ecfa1
Remove the oscar protocol plugin from po/POTFILES.in

Testing Done:
Ran `make dist` successfully.

Reviewed at https://reviews.imfreedom.org/r/601/
man_MANS =
if ENABLE_GTK
man_MANS += pidgin.1
endif
if ENABLE_GNT
man_MANS += finch.1
endif
EXTRA_DIST = \
C-HOWTO.dox \
PERL-HOWTO.dox \
SIGNAL-HOWTO.dox \
TCL-HOWTO.dox \
TracFooter.html \
TracHeader.html \
account-signals.dox \
blist-signals.dox \
certificate-signals.dox \
cipher-signals.dox \
connection-signals.dox \
conversation-signals.dox \
core-signals.dox \
dbus-server-signals.dox \
funniest_home_convos.txt \
finch.1.in \
gtkaccount-signals.dox \
gtkblist-signals.dox \
gtkconv-signals.dox \
gtklog-signals.dox \
gtkimhtml-signals.dox \
gtkrc-2.0 \
imgstore-signals.dox \
jabber-signals.dox \
log-signals.dox \
notify-signals.dox \
pidgin.1.in \
plugin-i18n.dox \
plugin-ids.dox \
plugin-signals.dox \
savedstatus-signals.dox \
sound-signals.dox \
the_penguin.txt \
xfer-signals.dox