Simplify requirements from default polyalg #505

Job	Run time
downgrade (1.10, core)	10m 51s
test (core, 1.10, ubuntu-latest)	16m 27s
downgrade (1.10, downstream)	15m 25s
test (core, 1.10, macos-latest)	23m 37s
downgrade (1.10, wrappers)	11m 51s
test (core, 1, ubuntu-latest)	28m 23s
downgrade (1.10, misc)	14m 0s
test (core, 1, macos-latest)	29m 50s
test (downstream, 1.10, ubuntu-latest)	11m 22s
test (downstream, 1.10, macos-latest)	7m 12s
test (downstream, 1, ubuntu-latest)	22m 56s
test (downstream, 1, macos-latest)	18m 29s
test (wrappers, 1.10, ubuntu-latest)	9m 30s
test (wrappers, 1.10, macos-latest)	6m 1s
test (wrappers, 1, ubuntu-latest)	18m 42s
test (wrappers, 1, macos-latest)	10m 21s
test (misc, 1.10, ubuntu-latest)	8m 39s
test (misc, 1.10, macos-latest)	5m 1s
test (misc, 1, ubuntu-latest)	19m 35s
test (misc, 1, macos-latest)	11m 37s
	4h 59m 49s

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