Go: format code (#16813)

### Summary

Aligned to EE

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

internal/admin/enterprise_service.go

@@ -1169,3 +1169,7 @@ func (s *Service) RemoveIngestionTasksByCondition(tasks []string, email, status
 
 	return []map[string]interface{}{element}, nil
 }
+
+func CheckLicense() (common.ErrorCode, string) {
+	return common.CodeLicenseValid, ""
+}

internal/admin/service.go

@@ -1677,8 +1677,9 @@ func (s *Service) HandleHeartbeat(message *common.BaseMessage) (common.ErrorCode
 		Timestamp:  message.Timestamp,
 		Ext:        message.Ext,
 	}
+
 	GlobalServerStore.UpdateServerInfo(message.ServerName, status)
-	return common.CodeLicenseValid, ""
+	return CheckLicense()
 }
 
 // InitDefaultAdmin initialize default admin user