Redundant send_email

[leits]

Hi, Deta team! Looks like I found the code for your internal needs in the client 😅

https://github.com/deta/deta-python/blob/5d0e5ef6b2ffa319403e55dfcb46ca5daf7410d0/deta/__init__.py#L62-L85

[xeust]

Hi there @leits,

This code is actually for our upcoming email service 🤫

[leits]

Spoiler 😄