Initialize the object. Invoked upon construction and wake up.
Overrides EntityNG::init
protected function init() {
parent::init();
unset($this->access);
unset($this->created);
unset($this->init);
unset($this->login);
unset($this->mail);
unset($this->name);
unset($this->pass);
unset($this->preferred_admin_langcode);
unset($this->preferred_langcode);
unset($this->roles);
unset($this->signature);
unset($this->signature_format);
unset($this->status);
unset($this->theme);
unset($this->timezone);
unset($this->uid);
unset($this->uuid);
}