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/
pidgin3_xml = configure_file(
input : 'pidgin3.xml.in',
output : 'pidgin3.xml',
configuration : version_conf,
install : true,
install_dir : get_option('datadir') / 'glade/catalogs')