Provide option -N for do not load personal config file #1531

Job	Run time
msvc (x86, Win32)	2m 46s
msvc (x64, x64)	2m 40s
linux-x86_64	1m 17s
msvc (arm64, ARM64)	1m 51s
linux (i386, i686, i686-linux-gnu, i386-linux-gnu)	1m 45s
macos-x86_64	1m 43s
linux (armhf, armhf, arm-linux-gnueabihf, arm-linux-gnueabihf)	1m 42s
mingw (mingw32, i686)	3m 54s
linux (arm64, aarch64, aarch64-linux-gnu, aarch64-linux-gnu)	1m 49s
mingw (mingw64, x86_64)	3m 55s
	23m 22s

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