UefiCpuPkg/Application/Cpuid: Remove unnecessary code check
    
    gMaximumBasicFunction is set to CPUID_SIGNATURE as below, so removed the compare code.
    UINT32  gMaximumBasicFunction = CPUID_SIGNATURE;
    
    Cc: Qiu Shumin <shumin.qiu@intel.com>
    Cc: Michael Kinney <michael.d.kinney@intel.com>
    Contributed-under: TianoCore Contribution Agreement 1.0
    Signed-off-by: Jeff Fan <jeff.fan@intel.com>
    UefiCpuPkg/Application/Cpuid: Remove unnecessary code check
    
    gMaximumBasicFunction is set to CPUID_SIGNATURE as below, so removed the compare code.
    UINT32  gMaximumBasicFunction = CPUID_SIGNATURE;
    
    Cc: Qiu Shumin <shumin.qiu@intel.com>
    Cc: Michael Kinney <michael.d.kinney@intel.com>
    Contributed-under: TianoCore Contribution Agreement 1.0
    Signed-off-by: Jeff Fan <jeff.fan@intel.com>
    UefiCpuPkg/Application/Cpuid: Remove unnecessary code check
    
    gMaximumBasicFunction is set to CPUID_SIGNATURE as below, so removed the compare code.
    UINT32  gMaximumBasicFunction = CPUID_SIGNATURE;
    
    Cc: Qiu Shumin <shumin.qiu@intel.com>
    Cc: Michael Kinney <michael.d.kinney@intel.com>
    Contributed-under: TianoCore Contribution Agreement 1.0
    Signed-off-by: Jeff Fan <jeff.fan@intel.com>
    Reviewed-by: Qiu Shumin <shumin.qiu@intel.com>
    Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>