Remove the use of __m128i_u entirely #547

Job	Run time
CMake/Android/So/ARMv8/Release	51s
CMake/Android/So/X86/Release	1m 13s
CMake MINGW	49s
CMake/Android/So/X64/Release	58s
CMake/Windows/Dll/X86/Release	1m 57s
CMake/Windows/Dll/X64/Release	1m 43s
Test build with CMake 3.1.0	1m 23s
CMake/Windows/Dll/ARMv8/Release	1m 31s
CMake/Linux/So/X64/Release	33s
CMake/MacOSX/So/X64/Release	54s
CMake/MacOSX/Framework/X64/Release	1m 40s
CMake/iOS/Dll/arm64/Release	51s
CMake/iOS/Framework/arm64/Release	49s
CMake/Windows/Lib/X86/Release	1m 56s
CMake/Windows/Lib/X64/Release	3m 3s
CMake/Windows/Lib/armv8/Release	2m 41s
CMake/Linux/Lib/X64/Release	1m 6s
CMake/MacOSX/Lib/X64/Release	2m 33s
CMake/iOS/Lib/arm64/Release	46s
CMake/Android/Lib/ARMv8/Release	1m 0s
CMake/Android/Lib/X86/Release	48s
CMake/Android/Lib/X64/Release	49s
CMake/CustomModes/Linux/Lib/X64/Release	1m 6s
CMake/AssertionsFuzz/Windows/Lib/X64/Release	2m 28s
CMake/AssertionsFuzz/Linux/Lib/X64/Release	1m 15s
CMake/AssertionsFuzz/MacOSX/Lib/X64/Release	1m 35s
	36m 18s

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