fixed password reset link

uffd/selfservice/templates/passwordreset.mail.txt

 Hi {{ user.displayname }},
 
 you have requested a password reset.
-To reset your password, visit this url: {{ url_for('selfservice.self_token_password', token=token, _external=True) }} 
+To reset your password, visit this url: {{ url_for('selfservice.token_password', token=token, _external=True) }} 
 **Please note this link is only valid for 48h**
 
 If you did not request a password reset, you do not need to do anything.