Fix: remove placeholder ORCiD (coscine/issues#709)

coscine/issues#709

src/STS/Controllers/ORCiDController.cs

@@ -70,7 +70,6 @@ namespace Coscine.Api.STS.Controllers
                     user = new User
                     {
                         DisplayName = (givenname + " " + surname).Trim(),
-                        EmailAddress = ORCiD + "@orcid.org",
                         Surname = surname,
                         Givenname = givenname
                     };
@@ -86,7 +85,6 @@ namespace Coscine.Api.STS.Controllers
                 var coscineUser = new CoscineUser()
                 {
                     UserName = user.Id.ToString(),
-                    Email = user.EmailAddress
                 };
 
                 var result = await _signInManager.UserManager.CreateAsync(coscineUser);