Nt32Pkg: Remove EdkShellBinPkg in FDF and DEC

Nt32Pkg: Remove EdkShellBinPkg in FDF and DEC

Remove EdkShellBinPkg in Nt32Pkg.dec and Nt32Pkg.fdf.
https://bugzilla.tianocore.org/show_bug.cgi?id=1108

v2: Remove USE_OLD_SHELL because it will not be used.

v4:Remove PcdShellFile in Nt32Pkg.dsc.
https://bugzilla.tianocore.org/show_bug.cgi?id=1298

Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Hao Wu <hao.a.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>