Refactor ClientCertRequestCLI.generateCrmfRequest() #5688

Job	Run time
Waiting for build / Waiting For Build	7m 40s
Update Version / Test	16s
Basic PKI CLI / Test	42s
PKICertImport / Test	1m 20s
PKI NSS CLI with AES / Test	35s
PKI NSS CLI with RSA / Test	48s
PKI NSS CLI with ECC / Test	47s
PKI NSS CLI with Extensions / Test	38s
PKI NSS CLI with HSM / Test	1m 12s
PKI PKCS11 CLI / Test	58s
PKI PKCS12 CLI / Test	52s
PKI PKCS7 CLI / Test	48s
rpminspect / Test	6m 5s
	22m 41s

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