pidgin/pidgin

Remove `PURPLE_PLUGIN_INIT` from docs.

2021-06-17, Elliott Sales de Andrade
19e53c9cab73
Remove `PURPLE_PLUGIN_INIT` from docs.

Though, the i18n docs need a complete rewrite anyway.

Reviewed at https://reviews.imfreedom.org/r/762/
pidgin3_xml = configure_file(
input : 'pidgin3.xml.in',
output : 'pidgin3.xml',
configuration : version_conf,
install : true,
install_dir : get_option('datadir') / 'glade/catalogs')