Remove datastore tenant info provisioning from Notification service (EPAM GONRG-4242)

NOTICE

devops/gcp/configmap/templates/notification-configmap.yaml

devops/gcp/configmap/values.yaml

provider/notification-gcp/README.md

provider/notification-gcp/docs/anthos/README.md

provider/notification-gcp/docs/anthos/pics/client.png

provider/notification-gcp/docs/anthos/pics/rabbit.PNG

provider/notification-gcp/docs/anthos/pics/sa.png

provider/notification-gcp/docs/gcp/README.md

provider/notification-gcp/docs/gcp/pics/namespace.PNG

provider/notification-gcp/pom.xml

.../osdu/notification/provider/gcp/config/AppProperties.java

...ation/provider/gcp/config/OqmConfigurationProperties.java

...notification/provider/gcp/di/PartitionProviderConfig.java

...ation/provider/gcp/di/ServiceAccountJwtClientFactory.java

...rovider/gcp/mappers/oqm/MqOqmConfigurationProperties.java

...vider/gcp/mappers/oqm/MqTenantOqmDestinationResolver.java

...vider/gcp/mappers/oqm/PsTenantOqmDestinationResolver.java

...otification/provider/gcp/pubsub/OqmSubscriberManager.java

...cation/provider/gcp/pubsub/di/OqmNotificationHandler.java