Remove an unused test dependency on hypothesis #337

Job	Run time
list	21s
pre-commit	28s
test (tests-3.8)	1m 7s
test (tests-3.9)	1m 13s
test (tests-3.10)	1m 24s
test (tests-3.11)	1m 13s
test (tests-3.12)	1m 26s
test (tests-pypy3)	1m 45s
test (build)	1m 17s
musllinux (aarch64-unknown-linux-musl)	2m 26s
musllinux (i686-unknown-linux-musl)	2m 15s
musllinux (x86_64-unknown-linux-musl)	2m 38s
windows (x64)	3m 6s
windows (x86)	3m 24s
macos (x86_64)	4m 9s
macos (aarch64)	2m 32s
manylinux (x86_64)	2m 30s
manylinux (x86)	3m 44s
manylinux (aarch64)	2m 54s
manylinux (armv7)	3m 10s
manylinux (s390x)	3m 31s
manylinux (ppc64le)	3m 5s
Release	0s
	49m 38s

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