Fixed warnings caused by non-existing messagehub channels.

Changed the setting registration, removed the warnings.
Loot roll messages are more obvious now.
Superadmins are meant to stay mostily hidden, but are being exposed in !system again.

modules/core/discord/discord_controller.py

@@ -107,7 +107,7 @@ class DiscordController:
         self.setting_service: SettingService = registry.get_instance("setting_service")
 
     def pre_start(self):
-        self.setting_service.register_new(self.module_name, "discord_token", "", HiddenSettingType(allow_empty=True),
+        self.setting_service.register(self.module_name, "discord_token", "", HiddenSettingType(allow_empty=True),
                                           "Enter your Discord token her")
 
     def get_name(self, discord_id):
@@ -589,7 +589,7 @@ class DiscordController:
             else:
                 response = f"{html.escape(msg.author.nick if msg.author.nick else msg.author.name, False)}: " \
                            f"{html.escape(emojis.decode(msg.clean_content), False)}"
-                await msg.delete(delay=3600)
+            await msg.delete(delay=3600)
             self.relay_hub_service.send_message("public_relay", [msg.author.nick, msg.author], response, response)
 
         if self.is_command(msg.content):