IntelFsp2Pkg/BaseFspPlatformLib: Remove unused PCDs
    
    The PCDs below are unused, so they have been removed from inf.
    gIntelFsp2PkgTokenSpaceGuid.PcdGlobalDataPointerAddress
    gIntelFsp2PkgTokenSpaceGuid.PcdTemporaryRamBase
    gIntelFsp2PkgTokenSpaceGuid.PcdTemporaryRamSize
    gIntelFsp2PkgTokenSpaceGuid.PcdFspTemporaryRamSize
    gIntelFsp2PkgTokenSpaceGuid.PcdFspMaxPatchEntry
    gIntelFsp2PkgTokenSpaceGuid.PcdFspMaxPerfEntry
    
    Cc: Jiewen Yao <jiewen.yao@intel.com>
    Cc: Chasel Chiu <chasel.chiu@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: Chasel Chiu <chasel.chiu@intel.com>