hide non allowed channel warning messages

commands/channels.js

@@ -20,7 +20,7 @@ module.exports = {
     */
     run: async (client, interaction, args, { GuildDB }) => {
       if (GuildDB.customChannelStatus==true&&!GuildDB.allowedChannels.includes(interaction.channel_id)) {
-        return interaction.send({ content: `You are not allowed to use the bot in this channel.` });
+        return interaction.send({ content: `You are not allowed to use the bot in this channel.`,  flags: (1 << 6) });
       }
 
       if (GuildDB.allowedChannels.length == 0) {