[chore] Remove black and ruff from test-requirements (#18139) #473

Job	Run time
Test mypyc suite with 32-bit Python	7m 16s
Test suite with py38-ubuntu, mypyc-compiled	17m 43s
Test suite with py38-windows-64	21m 14s
Test suite with py39-ubuntu	17m 14s
Test suite with py310-ubuntu	16m 26s
Test suite with py311-ubuntu, mypyc-compiled	15m 58s
Test suite with py312-ubuntu, mypyc-compiled	18m 39s
Test suite with py313-ubuntu, mypyc-compiled	18m 47s
mypyc runtime tests with py39-macos	6m 31s
Type check our own code (py38-ubuntu)	1m 59s
Type check our own code (py38-windows-64)	2m 17s
Formatting and code style with Black + ruff	1m 2s
	2h 25m 6s

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