Fix double trailing slash in ORCID URL
Apparently https://sandbox.orcid.org//.well-known/openid-configuration works fine, but https://orcid.org//.well-known/openid-configuration returns a 500 error...
Apparently https://sandbox.orcid.org//.well-known/openid-configuration works fine, but https://orcid.org//.well-known/openid-configuration returns a 500 error...