No! Do NOT do this. SMS 2FA isn't perfect, but it has value and should be used - esp if it is your only option. Did you even read the Princeton study?
Using SMS 2FA for login has risks, but it is an important extra step to guard against cred stuffing attacks. 1/2 https://twitter.com/Bitdefender/status/1219202407437152256
birdsite.link is one server in the network