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/
[Desktop Entry]
_Name=Pidgin Internet Messenger
_GenericName=Internet Messenger
_Comment=Chat over IM. Supports AIM, Google Talk, Jabber/XMPP, and more
Exec=pidgin
Icon=pidgin
StartupNotify=true
Terminal=false
Type=Application
Categories=Network;InstantMessaging;
@USES_MM_CHAT_SECTION@