removed references to X.509 authentication method

Author: nwoodward

src/app/core/auth/models/auth.method-type.ts

@@ -3,7 +3,6 @@ export enum AuthMethodType {
   Shibboleth = 'shibboleth',
   Ldap = 'ldap',
   Ip = 'ip',
-  X509 = 'x509',
   Oidc = 'oidc',
   Orcid = 'orcid',
   Saml = 'saml',

src/app/core/auth/models/auth.method.ts

@@ -22,10 +22,6 @@ export class AuthMethod {
         this.location = location;
         break;
       }
-      case 'x509': {
-        this.authMethodType = AuthMethodType.X509;
-        break;
-      }
       case 'password': {
         this.authMethodType = AuthMethodType.Password;
         break;