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/
For information on writing a plugin for Purple, Pidgin or Finch, go
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