Remove lazy_static and lazycell dependencies #2095

Job	Run time
docs	18s
check-cfg	24s
minimal	24s
msrv	1m 1s
quickchecking	22s
rustfmt-clippy	16s
test (ubuntu-latest, 9.0, 1, 0, 0, 0, 0)	1m 21s
test (ubuntu-latest, 9.0, 1, 0, 0, 1, 0)	1m 21s
test-book	6s
test-expectations (ubuntu-latest)	1m 5s
test (ubuntu-latest, 9.0, 1, 0, 1, 0, 0)	1m 20s
test-expectations (macos-latest)	42s
test (ubuntu-latest, 9.0, 1, 0, 1, 1, 0)	1m 22s
test (ubuntu-latest, 9.0, 1, 1, 0, 0, 0)	1m 19s
test (ubuntu-latest, 9.0, 1, 1, 0, 1, 0)	1m 20s
test (ubuntu-latest, 9.0, 1, 1, 1, 0, 0)	1m 19s
test (ubuntu-latest, 9.0, 1, 1, 1, 1, 0)	1m 20s
test (ubuntu-latest, 16.0, 1, 0, 0, 0, 0)	1m 26s
test (ubuntu-latest, 16.0, 1, 0, 0, 1, 0)	1m 22s
test (ubuntu-latest, 16.0, 1, 0, 1, 0, 0)	1m 20s
test (ubuntu-latest, 16.0, 1, 0, 1, 1, 0)	1m 21s
test (ubuntu-latest, 16.0, 1, 1, 0, 0, 0)	1m 20s
test (ubuntu-latest, 16.0, 1, 1, 0, 1, 0)	1m 20s
test (ubuntu-latest, 16.0, 1, 1, 1, 0, 0)	1m 21s
test (ubuntu-latest, 16.0, 1, 1, 1, 1, 0)	1m 21s
test (ubuntu-latest, 16.0, 0, 0, 1)	1m 19s
test (macos-latest, 9.0, 0, 0, 0)	1m 3s
success	1s
	28m 34s

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