Remove DataSourceUnitPersistService.deleteConfigurations #10554

Job	Run time
Import Global Environment / init-environment	4s
Build E2E Image	8m 12s
E2E - Agent with MySQL (proxy, tracing, jaeger)	7m 30s
E2E - Agent with MySQL (proxy, tracing, zipkin)	6m 50s
E2E - Agent with MySQL (proxy, metrics, prometheus)	6m 55s
E2E - Agent with MySQL (proxy, logging, file)	6m 6s
E2E - Agent with MySQL (jdbc, logging, file)	6m 13s
E2E - Agent with MySQL (jdbc, metrics, prometheus)	6m 40s
E2E - Agent with MySQL (jdbc, tracing, jaeger)	6m 24s
E2E - Agent with MySQL (jdbc, tracing, zipkin)	5m 55s
	1h 0m 49s

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