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/
i18n = import('i18n')
i18n.gettext('pidgin',
args : '--from-code=utf-8',
install : get_option('nls'),
)