# pkg delete firefox-i18n
[1/1] Deinstalling firefox-i18n-36.0.1...
rm: /usr/local/lib/xpi/langpack-ach@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-af@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-an@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-ar@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-as@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-ast@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-az@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-be@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-bg@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-bn-BD@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-bn-IN@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-br@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-bs@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-ca@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-cs@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-csb@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-cy@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-da@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-de@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-dsb@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-el@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-en-GB@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-en-US@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-en-ZA@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-eo@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-es-AR@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-es-CL@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-es-ES@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-es-MX@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-et@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-eu@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-fa@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-ff@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-fi@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-fr@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-fy-NL@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-ga-IE@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-gd@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-gl@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-gu-IN@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-he@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-hi-IN@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-hr@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-hsb@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-hu@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-hy-AM@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-id@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-is@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-it@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-ja@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-kk@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-km@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-kn@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-ko@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-ku@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-lij@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-lt@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-lv@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-mai@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-mk@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-ml@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-mr@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-ms@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-nb-NO@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-nl@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-nn-NO@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-or@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-pa-IN@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-pl@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-pt-BR@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-pt-PT@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-rm@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-ro@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-ru@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-si@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-sk@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-sl@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-son@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-sq@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-sr@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-sv-SE@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-ta@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-te@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-th@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-tr@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-uk@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-vi@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-xh@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-zh-CN@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-zh-TW@firefox.mozilla.org: is a directory
rm: /usr/local/lib/xpi/langpack-zu@firefox.mozilla.org: is a directory
pkg: DEINSTALL script failed
[1/1] Deleting files for firefox-i18n-36.0.1: 100%

Maybe, should be -rf?