STY: Remove variable check_crlf_space #6010

Job	Run time
pytest on windows	6m 7s
Build & verify package	10s
Check code style issues	34s
pytest on 3.8 (crypto-lib: cryptography)	5m 36s
pytest on 3.9 (crypto-lib: cryptography)	5m 26s
pytest on 3.10 (crypto-lib: cryptography)	5m 51s
pytest on 3.11 (crypto-lib: cryptography)	5m 25s
pytest on 3.12 (crypto-lib: cryptography)	6m 58s
pytest on 3.13 (crypto-lib: cryptography)	6m 35s
pytest on 3.8 (crypto-lib: pycryptodome)	5m 36s
pytest on 3.8 (crypto-lib: none)	5m 36s
Combine & check coverage.	13s
	54m 7s

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