UefiCpuPkg/Lmce.c Remove useless file.
    
    Merge the code to MachineCheck.c file, remove this file.
    
    Cc: Ruiyu Ni <ruiyu.ni@intel.com>
    Contributed-under: TianoCore Contribution Agreement 1.1
    Signed-off-by: Eric Dong <eric.dong@intel.com>
    Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>