Fixes MMXEXT (#116)
Fixes MMXEXT (#116)

MMXEXT is defined in https://github.com/klauspost/cpuid/blob/45f166130b70caa073e0434192b876263c97f47d/cpuid.go#L1188
The removed line corresponds to `ACPI`  according to https://en.wikipedia.org/wiki/CPUID#EAX=1:_Processor_Info_and_Feature_Bits
klauspost/cpuid,klauspost/cpuid