delete
https://api.ycloud.com/v2/whatsapp/templates//
按名称删除WhatsApp模板。如果该模板名称存在于多种语言中，所有语言都将被删除。
如果找不到特定名称的模板，将返回HTTP状态404。
Remember that the name of this template can't be used again for 30 days once deleted. You'll need to use a different name to create new message templates.