tools/power/turbostat: Remove redundant duplicates

Remove redundant duplicates in intel_model_duplicates().
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>

tools/power/x86/turbostat/turbostat.c

@@ -5412,24 +5412,20 @@ unsigned int intel_model_duplicates(unsigned int model)
 
 	switch (model) {
 	case INTEL_FAM6_NEHALEM_EP:	/* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */
-	case INTEL_FAM6_NEHALEM:	/* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */
 	case INTEL_FAM6_NEHALEM_G:	/* Core i7 and i5 Processor - Nehalem */
 	case INTEL_FAM6_WESTMERE:	/* Westmere Client - Clarkdale, Arrandale */
 	case INTEL_FAM6_WESTMERE_EP:	/* Westmere EP - Gulftown */
 		return INTEL_FAM6_NEHALEM;
 
-	case INTEL_FAM6_NEHALEM_EX:	/* Nehalem-EX Xeon - Beckton */
 	case INTEL_FAM6_WESTMERE_EX:	/* Westmere-EX Xeon - Eagleton */
 		return INTEL_FAM6_NEHALEM_EX;
 
 	case INTEL_FAM6_XEON_PHI_KNM:
 		return INTEL_FAM6_XEON_PHI_KNL;
 
-	case INTEL_FAM6_BROADWELL_X:
 	case INTEL_FAM6_BROADWELL_D:	/* BDX-DE */
 		return INTEL_FAM6_BROADWELL_X;
 
-	case INTEL_FAM6_SKYLAKE_L:
 	case INTEL_FAM6_SKYLAKE:
 	case INTEL_FAM6_KABYLAKE_L:
 	case INTEL_FAM6_KABYLAKE: