x86/mce: Remove unneeded break

A break is not needed if it is preceded by a return.
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20201019200803.17619-1-trix@redhat.com

arch/x86/kernel/cpu/mce/core.c

@@ -1811,11 +1811,9 @@ static int __mcheck_cpu_ancient_init(struct cpuinfo_x86 *c)
 	case X86_VENDOR_INTEL:
 		intel_p5_mcheck_init(c);
 		return 1;
-		break;
 	case X86_VENDOR_CENTAUR:
 		winchip_mcheck_init(c);
 		return 1;
-		break;
 	default:
 		return 0;
 	}