Update XING 2FA status (#3510)
Update XING 2FA status (#3510)

* Updated XING information

* Removed doc link from XING

jdavis/twofactorauth,bjorno/twofactorauth,rugk/twofactorauth,Nitrokey/dongleauth,jdavis/twofactorauth,vgarmash/twofactorauth,vgarmash/twofactorauth,rj175/twofactorauth,bjorno/twofactorauth,Jawshy/twofactorauth,rugk/twofactorauth,Nitrokey/dongleauth,rj175/twofactorauth,rj175/twofactorauth,bjorno/twofactorauth,jdavis/twofactorauth,vgarmash/twofactorauth,Nitrokey/dongleauth,Jawshy/twofactorauth,Jawshy/twofactorauth,Jawshy/twofactorauth,rugk/twofactorauth