BE: RBAC:remove name from default role

Author: seono

api/src/main/java/io/kafbat/ui/model/rbac/DefaultRole.java

@@ -9,7 +9,6 @@
 @Data
 public class DefaultRole {
 
-  private String name;
   private List<String> clusters;
   private List<Permission> permissions = new ArrayList<>();
 

api/src/test/java/io/kafbat/ui/service/rbac/MockedRbacUtils.java

@@ -103,7 +103,6 @@ public static Role getDevRole() {
 
   public static DefaultRole getDefaultRole() {
     DefaultRole role = new DefaultRole();
-    role.setName(DEFAULT_ROLE);
     role.setClusters(List.of(DEV_CLUSTER, PROD_CLUSTER));
 
     Permission topicViewPermission = new Permission();