Update translation files

Updated by "Cleanup translation files" hook in Weblate.

Co-authored-by: Hosted Weblate <hosted@weblate.org>
Translate-URL: https://hosted.weblate.org/projects/invidious/translations/
Translation: Invidious/Invidious Translations

locales/pt.json

@@ -236,8 +236,6 @@
     "Preferences": "Preferências",
     "E-mail": "E-mail",
     "Register": "Registar",
-    "Image CAPTCHA": "Imagem CAPTCHA",
-    "Text CAPTCHA": "Texto CAPTCHA",
     "Time (h:mm:ss):": "Tempo (h:mm:ss):",
     "Password": "Palavra-passe",
     "User ID": "Utilizador",