SSDM-1677 : V3 AS API - finish up projects and materials - refactor deleteXXX executors

...server/api/v3/executor/dataset/DeleteDataSetExecutor.java

...erver/api/v3/executor/dataset/IDeleteDataSetExecutor.java

.../api/v3/executor/entity/AbstractDeleteEntityExecutor.java

.../server/api/v3/executor/entity/IDeleteEntityExecutor.java

.../api/v3/executor/experiment/DeleteExperimentExecutor.java

...api/v3/executor/experiment/IDeleteExperimentExecutor.java

...rver/api/v3/executor/material/DeleteMaterialExecutor.java

...ver/api/v3/executor/material/IDeleteMaterialExecutor.java

...server/api/v3/executor/project/DeleteProjectExecutor.java

...erver/api/v3/executor/project/IDeleteProjectExecutor.java

...c/server/api/v3/executor/sample/DeleteSampleExecutor.java

.../server/api/v3/executor/sample/IDeleteSampleExecutor.java

...ric/server/api/v3/executor/space/DeleteSpaceExecutor.java

...ic/server/api/v3/executor/space/IDeleteSpaceExecutor.java