Clear stale global commands in guild mode

src/index.js

@@ -81,7 +81,9 @@ async function main() {
     if (config.guildId) {
       const guild = await readyClient.guilds.fetch(config.guildId);
       await guild.commands.set(commands);
+      await readyClient.application.commands.set([]);
       console.log(`Registered slash commands for guild ${config.guildId}`);
+      console.log('Cleared stale global slash commands');
     } else {
       await readyClient.application.commands.set(commands);
       console.log('Registered global slash commands');