remove llvm-12-dev from debian package dependency #2813

Job	Run time
test_bcc_fedora (fedora, 38, f38, Debug, critical.log)	12m 12s
test_bcc_fedora (fedora, 38, f38, Debug, critical.log)	12m 22s
test_bcc (ubuntu, 20.04, focal, 12, Debug, critical.log, ON)	13m 7s
test_bcc (ubuntu, 20.04, focal, 12, Debug, critical.log, ON)	13m 7s
test_bcc (ubuntu, 20.04, focal, 12, Debug, critical.log, OFF)	13m 21s
test_bcc (ubuntu, 20.04, focal, 12, Debug, critical.log, OFF)	13m 21s
test_bcc_fedora (fedora, 38, f38, Release, critical.log)	11m 14s
test_bcc_fedora (fedora, 38, f38, Release, critical.log)	11m 14s
test_bcc (ubuntu, 20.04, focal, 12, Release, critical.log, ON)	11m 52s
test_bcc (ubuntu, 20.04, focal, 12, Release, critical.log, ON)	11m 52s
test_bcc (ubuntu, 20.04, focal, 15, Debug, critical.log, ON)	13m 13s
test_bcc (ubuntu, 20.04, focal, 15, Debug, critical.log, ON)	13m 13s
test_bcc (ubuntu, 20.04, focal, 15, Debug, critical.log, OFF)	13m 10s
test_bcc (ubuntu, 20.04, focal, 15, Debug, critical.log, OFF)	13m 10s
test_bcc (ubuntu, 20.04, focal, 15, Release, critical.log, ON)	11m 50s
test_bcc (ubuntu, 20.04, focal, 15, Release, critical.log, ON)	11m 50s
test_bcc (ubuntu, 20.04, focal, 17, Debug, critical.log, ON)	14m 10s
test_bcc (ubuntu, 20.04, focal, 17, Debug, critical.log, ON)	14m 10s
test_bcc (ubuntu, 20.04, focal, 17, Debug, critical.log, OFF)	13m 56s
test_bcc (ubuntu, 20.04, focal, 17, Debug, critical.log, OFF)	13m 56s
test_bcc (ubuntu, 20.04, focal, 17, Release, critical.log, ON)	12m 3s
test_bcc (ubuntu, 20.04, focal, 17, Release, critical.log, ON)	12m 3s
	4h 40m 26s

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