- clean target erases the *.pot

- don't modify the resurt of url_for() calls
- don't translate the language description

app/translations/de/LC_MESSAGES/messages.po

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: tsun-gen3-proxy 0.14.0\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2025-04-27 01:25+0200\n"
+"POT-Creation-Date: 2025-04-28 20:37+0200\n"
 "PO-Revision-Date: 2025-04-18 16:24+0200\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: de\n"
@@ -19,18 +19,6 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Generated-By: Babel 2.17.0\n"
 
-#: src/web/i18n.py:7
-msgid "English"
-msgstr "Englisch"
-
-#: src/web/i18n.py:8
-msgid "German"
-msgstr "Deutsch"
-
-#: src/web/i18n.py:9
-msgid "French"
-msgstr "Französisch"
-
 #: src/web/templates/base.html.j2:37
 msgid "Updated:"
 msgstr "Aktualisiert:"