After add LoadFileOnFv2, PlatformBootManagerLib doesn't need to find Shell application from FV. Cc: Ruiyu Ni <ruiyu.ni@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Liming Gao <liming.gao@intel.com> Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>