OZG-4453 move request handling to remote service

...mon/elasticsearch/OzgCloudElasticsearchRemoteService.java

...or/common/elasticsearch/OzgCloudElasticsearchService.java

...in/java/de/ozgcloud/operator/user/PutRoleRequestData.java

...in/java/de/ozgcloud/operator/user/PutUserRequestData.java

...asticsearch/OzgCloudElasticsearchRemoteServiceITCase.java

...ommon/elasticsearch/OzgCloudElasticsearchServiceTest.java

...cloud/operator/user/IndicesPrivilegesDataTestFactory.java

...ozgcloud/operator/user/PutRoleRequestDataTestFactory.java

...ozgcloud/operator/user/PutUserRequestDataTestFactory.java

pom.xml