feat: mnauth always use basic scheme #510

Job	Run time
Build Image	16s
Build Dependencies (arm-linux, arm-linux-gnueabihf)	15m 45s
Build Dependencies (linux64, x86_64-pc-linux-gnu)	14m 19s
Build (arm-linux, arm-linux-gnueabihf, arm-linux)	21m 24s
Build (linux64, x86_64-pc-linux-gnu, linux64)	19m 9s
Build (linux64_tsan, x86_64-pc-linux-gnu, linux64)	25m 40s
Build (linux64_ubsan, x86_64-pc-linux-gnu, linux64)	30m 12s
Build (linux64_fuzz, x86_64-pc-linux-gnu, linux64)	14m 59s
Build (linux64_cxx20, x86_64-pc-linux-gnu, linux64)	22m 29s
Build (linux64_sqlite, x86_64-pc-linux-gnu, linux64)	20m 27s
Build (linux64_nowallet, x86_64-pc-linux-gnu, linux64)	20m 51s
	3h 25m 31s

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