fixup! Don't restrict what EVP_PKEY_Q_keygen can be used for #1110

Job	Run time
basic_clang	6m 13s
basic_gcc	6m 44s
check_docs	1m 26s
check_update	1m 40s
check-ansi	2m 47s
minimal	2m 36s
address_ub_sanitizer	11m 10s
enable_non-default_options	4m 48s
external-test-pyca (1.51.0, 3.9)	7m 42s
full_featured	6m 7s
fuzz_tests	3m 0s
legacy	4m 38s
no-deprecated	5m 32s
memory_sanitizer	18m 13s
no-legacy	5m 42s
non-caching	12m 49s
no-shared-macos (macos-13)	17m 49s
no-shared-ubuntu	5m 9s
no-shared-macos (macos-14)	4m 2s
out-of-readonly-source-and-install-macos (macos-13)	12m 32s
out-of-readonly-source-and-install-ubuntu	7m 51s
out-of-readonly-source-and-install-macos (macos-14)	6m 48s
self-hosted	0s
threads_sanitizer	4m 52s
external-test-cf-quiche	4m 6s
external-tests	10m 31s
	2h 54m 47s

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