pidgin/pidgin

Remove a lingering oscar reference
release-2.x.y
2021-04-09, Gary Kramlich
d4d72fde60c2
Remove a lingering oscar reference

Testing Done:
Successfully ran `make check` with testinging output.

Reviewed at https://reviews.imfreedom.org/r/605/
soundsdir = $(datadir)/sounds/purple
sounds_DATA = \
alert.wav \
login.wav \
logout.wav \
receive.wav \
send.wav
EXTRA_DIST = \
Makefile.mingw \
$(sounds_DATA)