To delete the bot, you need to delete your LINE Official Account.
LINE Developers Console allows developers to create up to 100 channels per provider. The 101st channel cannot be created.
You can assign a role in the channel created by one developer to another developer. For more information on managing roles, read the following:
If one developer already manages 100 Messaging API channels, you can't assign him/her a role for a channel created by another developer.
With LINE Official Account Manager, you can create up to 100 LINE Official Accounts per account.
Your account may not have been set up to allow webhooks. To allow webhooks, enable Use webhook on the Messaging API tab of your channel settings on the LINE Developers Console.
Depending response settings on the LINE Official Account Manager, the LINE Official Account will automatically send replies.
Click Edit in Auto-reply messages on the Messaging API tab of your channel settings on the LINE Developers Console to access LINE Official Account Manager and check Response setting.
LINE Official Account will automatically send replies in these cases:
When Response mode is set to Bot
When Response mode is set to Chat