tests

Disable ceph tests using AWS as the bucket does not exist anymore #4076

Job	Run time
linting-coverage	1m 20s
build	4m 35s
file-ft-tests	11m 12s
ceph-backend-test	4m 52s
kmip-ft-tests	1m 22s
mongo-v0-ft-tests	10m 43s
mongo-v1-ft-tests	12m 1s
multiple-backend	2m 10s
quota-tests (With Inflights, true)	1m 26s
quota-tests (Without Inflights, false)	1m 7s
utapi-v2-tests	1m 4s
	51m 52s

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