Remove origin property from ExternalLoginAuthenticationManager

Author: adrianhoelzl-sap

server/src/main/java/org/cloudfoundry/identity/uaa/authentication/manager/ExternalLoginAuthenticationManager.java

@@ -65,8 +65,6 @@ public class ExternalLoginAuthenticationManager<EAD extends ExternalLoginAuthent
 
     private String name;
 
-    private String origin = "unknown";
-
     private IdentityProviderProvisioning providerProvisioning;
 
     private ScimGroupExternalMembershipManager externalMembershipManager;