The 'DisconnectController' function calls after 'UninstallMultipleProtocolInterfaces' are unnecessary, since 'DisconnectController' is called inside function 'UninstallMultipleProtocolInterfaces'. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com>