remove imagestreams which are not GA (#560) #213

Job	Run time
build-and-push (13/Dockerfile.c9s, sclorg, c9s, postgresql-13-c9s, QUAY_IMAGE_SCLORG_BUILDER_USER...	7m 59s
build-and-push (15/Dockerfile.c9s, sclorg, c9s, postgresql-15-c9s, QUAY_IMAGE_SCLORG_BUILDER_USER...	8m 7s
build-and-push (16/Dockerfile.c9s, sclorg, c9s, postgresql-16-c9s, QUAY_IMAGE_SCLORG_BUILDER_USER...	8m 24s
build-and-push (16/Dockerfile.c8s, sclorg, c8s, postgresql-16-c8s, QUAY_IMAGE_SCLORG_BUILDER_USER...	59s
build-and-push (10/Dockerfile.c8s, sclorg, c8s, QUAY_IMAGE_SCLORG_BUILDER_USERNAME, QUAY_IMAGE_SC...	1m 22s
build-and-push (12/Dockerfile.c8s, sclorg, c8s, QUAY_IMAGE_SCLORG_BUILDER_USERNAME, QUAY_IMAGE_SC...	1m 0s
build-and-push (13/Dockerfile.c8s, sclorg, c8s, QUAY_IMAGE_SCLORG_BUILDER_USERNAME, QUAY_IMAGE_SC...	1m 5s
build-and-push (15/Dockerfile.c8s, sclorg, c8s, QUAY_IMAGE_SCLORG_BUILDER_USERNAME, QUAY_IMAGE_SC...	1m 17s
build-and-push (12/Dockerfile.fedora, fedora, 12, QUAY_IMAGE_FEDORA_BUILDER_USERNAME, QUAY_IMAGE_...	1m 37s
build-and-push (13/Dockerfile.fedora, fedora, 13, QUAY_IMAGE_FEDORA_BUILDER_USERNAME, QUAY_IMAGE_...	1m 28s
build-and-push (14/Dockerfile.fedora, fedora, 14, QUAY_IMAGE_FEDORA_BUILDER_USERNAME, QUAY_IMAGE_...	1m 26s
build-and-push (15/Dockerfile.fedora, fedora, 15, QUAY_IMAGE_FEDORA_BUILDER_USERNAME, QUAY_IMAGE_...	1m 32s
build-and-push (16/Dockerfile.fedora, fedora, 16, QUAY_IMAGE_FEDORA_BUILDER_USERNAME, QUAY_IMAGE_...	1m 21s
	37m 37s

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