feat: mnauth always use basic scheme #509

Job	Run time
Build Image	17s
Build Dependencies (arm-linux, arm-linux-gnueabihf)	15m 30s
Build Dependencies (linux64, x86_64-pc-linux-gnu)	14m 24s
Build (arm-linux, arm-linux-gnueabihf, arm-linux)	8m 6s
Build (linux64, x86_64-pc-linux-gnu, linux64)	5m 55s
Build (linux64_tsan, x86_64-pc-linux-gnu, linux64)	7m 13s
Build (linux64_ubsan, x86_64-pc-linux-gnu, linux64)	9m 11s
Build (linux64_fuzz, x86_64-pc-linux-gnu, linux64)	10m 1s
Build (linux64_cxx20, x86_64-pc-linux-gnu, linux64)	6m 19s
Build (linux64_sqlite, x86_64-pc-linux-gnu, linux64)	6m 7s
Build (linux64_nowallet, x86_64-pc-linux-gnu, linux64)	6m 10s
	1h 29m 13s

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