VA: Use performValidation for IsCAAValid remote checks #7348

Job	Run time
b (go1.23.1_2024-09-05, ./t.sh --lints --generate)	3m 22s
b (go1.23.1_2024-09-05, ./t.sh --lints --generate)	3m 22s
b (go1.23.1_2024-09-05, ./t.sh --integration)	5m 42s
b (go1.23.1_2024-09-05, ./t.sh --integration)	5m 42s
b (go1.23.1_2024-09-05, ./tn.sh --integration)	8m 0s
b (go1.23.1_2024-09-05, ./tn.sh --integration)	8m 0s
b (go1.23.1_2024-09-05, ./t.sh --unit --enable-race-detection)	7m 33s
b (go1.23.1_2024-09-05, ./t.sh --unit --enable-race-detection)	7m 33s
b (go1.23.1_2024-09-05, ./tn.sh --unit --enable-race-detection)	7m 33s
b (go1.23.1_2024-09-05, ./tn.sh --unit --enable-race-detection)	7m 59s
b (go1.23.1_2024-09-05, ./t.sh --start-py)	2m 51s
b (go1.23.1_2024-09-05, ./t.sh --start-py)	2m 51s
govulncheck	11s
govulncheck	11s
vendorcheck (1.22.5)	27s
vendorcheck (1.22.5)	27s
Boulder CI Test Matrix	1s
Boulder CI Test Matrix	1s
	1h 11m 46s

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