build

Revert "tests: add blkdev checking after NS creation" #2666

Job	Run time
muon minimal static	26s
make static	1m 22s
build libnvme and nvme-cli separately	33s
default (gcc, debug)	24s
fallback shared libraries	0s
cross (armhf)	44s
default (gcc, release)	32s
cross (s390x)	47s
default (clang, debug)	23s
cross (ppc64le)	38s
default (clang, release)	31s
	6m 20s

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