remove dependency on redis json

backend/appsettings/src/config.py

@@ -238,8 +238,5 @@ class ReleaseVersion:
 
     def get_update(self) -> dict:
         """return new version dict if available"""
-        message = RedisArchivist().get_message(self.NEW_KEY)
-        if not message.get("status"):
-            return {}
-
+        message = RedisArchivist().get_message_dict(self.NEW_KEY)
         return message

backend/appsettings/views.py

@@ -198,7 +198,7 @@ class CookieView(ApiBaseView):
         """handle get request"""
         # pylint: disable=unused-argument
         config = AppConfig().config
-        valid = RedisArchivist().get_message("cookie:valid")
+        valid = RedisArchivist().get_message_dict("cookie:valid")
         response = {"cookie_enabled": config["downloads"]["cookie_import"]}
         response.update(valid)