Do not reference cache on init of db wrapper #10697

# to view logs

Job	Run time
awx-operator	13m 4s
awx_collection integration (a-h, ^[a-h])	12m 55s
awx_collection sanity (stable-2.17)	1m 36s
awx_collection integration (i-p, ^[i-p])	17m 11s
awx_collection integration (r-z0-9, ^[r-z0-9])	15m 5s
dev-env	5m 8s
api-test	14m 19s
api-migrations	11m 32s
api-lint	1m 29s
api-swagger	5m 1s
awx-collection	2m 32s
api-schema	7m 43s
combine awx_collection integration coverage	2m 6s
	1h 49m 41s

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