Removed gcp reference module (GONRG-4669)

pom.xml

provider/partition-reference/Dockerfile

provider/partition-reference/README.md

provider/partition-reference/docker-compose.yml

...ubernetes/deployments/deployment-os-partition-service.yml

provider/partition-reference/pom.xml

...ion/provider/reference/PartitionReferenceApplication.java

.../partition/provider/reference/cache/CredentialsCache.java

...p/osdu/partition/provider/reference/cache/GroupCache.java

...tition/provider/reference/cache/VmCacheConfiguration.java

...ovider/reference/config/IDTokenVerifierConfiguration.java

...on/provider/reference/config/MongoDBConfigProperties.java

...on/provider/reference/config/PropertiesConfiguration.java

...n/provider/reference/model/PartitionPropertyDocument.java

...ition/provider/reference/persistence/MongoDdmsClient.java

...ference/repository/PartitionPropertyEntityRepository.java

...ion/provider/reference/security/AuthorizationService.java

.../provider/reference/security/SecurityConfigReference.java

...tion/provider/reference/service/PartitionServiceImpl.java

...partition/provider/reference/util/MongoClientHandler.java