add huge_pages and cleanup #8

Job	Run time
build (16, esgn/pgtuned-testing:16, esgn/pgtuned-testing:latest)	23s
build (16, 3, esgn/pgtuned-testing:16-3, esgn/pgtuned-testing:postgis-latest)	51s
build (15, esgn/pgtuned-testing:15)	23s
build (15, 3, esgn/pgtuned-testing:15-3)	40s
build (14, esgn/pgtuned-testing:14)	22s
build (14, 3, esgn/pgtuned-testing:14-3)	52s
build (13, esgn/pgtuned-testing:13)	24s
build (13, 3, esgn/pgtuned-testing:13-3)	38s
build (12, esgn/pgtuned-testing:12)	24s
build (12, 3, esgn/pgtuned-testing:12-3)	55s
build (11-bullseye, esgn/pgtuned-testing:11)	23s
build (11-bullseye, 3, esgn/pgtuned-testing:11-3)	41s
build (11, 2.5, esgn/pgtuned-testing:11-2.5)	48s
build (10-bullseye, esgn/pgtuned-testing:10)	22s
build (10-bullseye, 3, esgn/pgtuned-testing:10-3)	44s
build (10, 2.5, esgn/pgtuned-testing:10-2.5)	44s
build (10, 2.4, esgn/pgtuned-testing:10-2.4)	46s
build (9.6-bullseye, esgn/pgtuned-testing:9.6)	25s
build (9.6-bullseye, 3, esgn/pgtuned-testing:9.6-3)	48s
build (9.6, 2.5, esgn/pgtuned-testing:9.6-2.5)	36s
build (9.6, 2.4, esgn/pgtuned-testing:9.6-2.4)	50s
build (9.6, 2.3, esgn/pgtuned-testing:9.6-2.3)	41s
build (9.5, esgn/pgtuned-testing:9.5)	30s
build (9.5, 3, esgn/pgtuned-testing:9.5-3)	44s
build (9.5, 2.5, esgn/pgtuned-testing:9.5-2.5)	46s
build (9.5, 2.4, esgn/pgtuned-testing:9.5-24)	41s
build (9.5, 2.3, esgn/pgtuned-testing:9.5-2.3)	43s
	17m 4s

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