chore: remove unused i18n keys

Author: serhalp

i18n/locales/en.json

@@ -318,8 +318,6 @@
     "go_back_home": "Go back home",
     "per_week": "/ week",
     "per_week_short": "/wk",
-    "yes": "Yes",
-    "no": "No",
     "vanity_downloads_hint": "Vanity number: no packages displayed | Vanity number: for the displayed package | Vanity number: Sum of {count} displayed packages",
     "sort": {
       "name": "name",

i18n/locales/fr-FR.json

@@ -315,8 +315,6 @@
     "go_back_home": "Retour à l'accueil",
     "per_week": "/ semaine",
     "per_week_short": "/sem",
-    "yes": "Oui",
-    "no": "Non",
     "vanity_downloads_hint": "Métrique de vanité : aucun paquet affiché | Métrique de vanité : pour le paquet affiché | Métrique de vanité : somme des {count} paquets affichés",
     "sort": {
       "name": "nom",