Deletes the account of the current user, deleting all information associated with the user from the server. The phone number of the account can be used to create a new account. Can be called before authorization when the current authorization state is authorizationStateWaitPassword
| reason |
The reason why the account was deleted; optional |
| password |
The 2-step verification password of the current user. If the current user isn't authorized, then an empty string can be passed and account deletion can be canceled within one week |