UefiPayloadPkg: remove the change that get platform specific logic

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4241



Since UefiPayloadPkg had supported multiple firmware volume,
remove the platform specific logic via protocol

Cc: Ray Ni <ray.ni@intel.com>
Cc: Sean Rhodes <sean@starlabs.systems>
Cc: Gua Guo <gua.guo@intel.com>
Reviewed-by: James Lu <james.lu@intel.com>
Reviewed-by: Guo Dong <guo.dong@intel.com>

Signed-off-by: MarsX Lin <marsx.lin@intel.com>