pidgin/pidgin

Remove some references to the keyring api that were missed

2021-04-30, Gary Kramlich
73e647dfbb68
Remove some references to the keyring api that were missed

Testing Done:
Ran `ninja pidgin-pot libpurple-doc` and verified no errors

Reviewed at https://reviews.imfreedom.org/r/634/
---
name: libpurple-common
buildsystem: simple
build-commands:
- true
modules:
- external/avahi.yml
- external/cyrus-sasl2.yml
- external/farstream.yml
- external/libgadu.yml
- external/libidn.yml
- external/mercurial.yml
- gplugin.yml