pulled scope values to externalized strings

Author: jricher

openid-connect-server/src/main/java/org/mitre/openid/connect/web/DynamicClientRegistrationEndpoint.java

@@ -455,7 +455,7 @@ private ClientDetailsEntity validateGrantTypes(ClientDetailsEntity newClient) th
 
 // don't allow refresh tokens in implicit clients
 newClient.getGrantTypes().remove("refresh_token");
-newClient.getScope().remove("offline_access");
+newClient.getScope().remove(SystemScopeService.OFFLINE_ACCESS);
 }
 
 if (newClient.getGrantTypes().contains("client_credentials")) {
@@ -474,8 +474,8 @@ private ClientDetailsEntity validateGrantTypes(ClientDetailsEntity newClient) th
 
 // don't allow refresh tokens or id tokens in client_credentials clients
 newClient.getGrantTypes().remove("refresh_token");
-newClient.getScope().remove("offline_access");
-newClient.getScope().remove("openid");
+newClient.getScope().remove(SystemScopeService.OFFLINE_ACCESS);
+newClient.getScope().remove(SystemScopeService.OPENID_SCOPE);
 }
 
 if (newClient.getGrantTypes().isEmpty()) {