Revert "Add missing admin action files and navigation links"

This reverts commit 41be6835bf.

src/messages/nl.json

@@ -697,7 +697,6 @@
         "advertisements": "Advertenties",
         "writeableBoxes": "Beschrijfbare boxes",
         "photos": "Foto's",
-        "tickets": "Tickets",
         "usersAndAccess": "Gebruikers & toegang",
         "users": "Gebruikers",
         "bans": "Bans",
@@ -718,15 +717,6 @@
         "calendar": "Kalender",
         "radio": "Radio",
         "radioHistory": "Radio geschiedenis",
-        "radioBanners": "Banners",
-        "radioEmbed": "Embed",
-        "radioApiKeys": "API-sleutels",
-        "radioModeration": "Moderatie",
-        "radioSettings": "Instellingen",
-        "radioMonitoring": "Monitoring",
-        "radioPoints": "Punten",
-        "radioRanks": "Rangen",
-        "radioAutodj": "Auto DJ",
         "system": "Systeem",
         "commandocentrum": "Commandocentrum",
         "emulator": "Emulator",
@@ -740,9 +730,6 @@
         "theme": "Thema",
         "media": "Media",
         "favicon": "Favicon",
-        "sounds": "Geluiden",
-        "translations": "Vertalingen",
-        "import": "Importeren",
         "settings": "Instellingen",
         "backToSite": "Terug naar site",
         "hotelManagementPanel": "Hotelbeheerpaneel",
@@ -2031,4 +2018,4 @@
       }
     }
   }
-}
+}