Remove domain classes #1912

Job	Run time
Build	6m 40s
test-broker	27m 9s
test-brokerAcl	17m 33s
test-connection	14m 31s
test-device	5m 30s
test-device-management	12m 26s
test-tag	2m 25s
test-datastore	15m 37s
test-jobsAndScheduler	2m 37s
test-security	5m 24s
test-user	3m 32s
test-userIntegration	9m 26s
test-userIntegrationBase	7m 54s
test-accountAndTranslator	6m 8s
test-jobEngineRestartOfflineDevice	10m 39s
test-jobEngineRestartOnlineDevice	13m 3s
test-jobEngineStartOfflineDevice	11m 31s
test-jobEngineStartOnlineDevice	13m 51s
test-jobEngineStepDefinitions	8m 35s
test-jobsIntegration	9m 54s
test-jobsIntegrationBase	9m 53s
build-javadoc	9m 57s
junit-tests	8m 21s
test-deviceRegistry	9m 53s
test-endpoint	8m 44s
test-jobEngineRestartOnlineDeviceSecondPart	13m 18s
test-jobEngineServiceStop	14m 56s
test-RoleAndGroup	2m 44s
	4h 42m 11s

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