IntelFsp2Pkg BaseFspPlatformLib: Remove Boot Loader tempram Migration

In FSP2.0, Boot loader should migrate its temp ram before
calling the tempramexit API to tear down the tempram. so, we don't need the
function to migrate the BL TempRam in the IntelFsp2Pkg.

Cc: Giri P Mudusuru <giri.p.mudusuru@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Satya Yarlagadda <satya.p.yarlagadda@intel.com>
Reviewed-by: Giri P Mudusuru <giri.p.mudusuru@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

IntelFsp2Pkg/Include/Library/FspPlatformLib.h

@@ -38,15 +38,6 @@ FspGetSystemMemorySize (
   IN OUT UINT64              *HighMemoryLength
   );
 
-/**
-  Migrate BootLoader data before destroying CAR.
-
-**/
-VOID
-EFIAPI
-FspMigrateTemporaryMemory (
-  VOID
-  );
 
 /**
   Set a new stack frame for the continuation function.