ShellPkg/UefiHandleParsingLib: Remove an unused PCD

ShellPkg/UefiHandleParsingLib: Remove an unused PCD

The PCD below is unused, so it has been removed from inf.
gEfiShellPkgTokenSpaceGuid.PcdShellPrintBufferSize

Cc: Jaben Carsey <jaben.carsey@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: shenglei <shenglei.zhang@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>