api: fix EntityReference in NetworkResponse.java (#10563)

Author: weizhouapache

api/src/main/java/org/apache/cloudstack/api/response/NetworkResponse.java

@@ -27,12 +27,11 @@
 import org.apache.cloudstack.api.EntityReference;
 
 import com.cloud.network.Network;
-import com.cloud.projects.ProjectAccount;
 import com.cloud.serializer.Param;
 import com.google.gson.annotations.SerializedName;
 
 @SuppressWarnings("unused")
-@EntityReference(value = {Network.class, ProjectAccount.class})
+@EntityReference(value = {Network.class})
 public class NetworkResponse extends BaseResponseWithAssociatedNetwork implements ControlledEntityResponse, SetResourceIconResponse {
 
     @SerializedName(ApiConstants.ID)