Remove duplicate it translations

Fixes #3881

Author: jcbrand

src/i18n/converse.pot

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Converse.js 12.0.0\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2025-10-08 15:09+0200\n"
+"POT-Creation-Date: 2025-10-12 20:28+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"