code: Object forceRemoveField(String name)
      {
          int saved_state = _state;
          try
          {
              _state = __MSG_EDITABLE;
              return removeField(name);
          }
          finally
          {
              _state = saved_state;
          }
      }
docs: Force a removeField. This call ignores the message state and forces a field to be removed
  from the request. It is required for the handling of the Connection field.
  
  @param name The field name
  @return The old value or null.