Update Hibernate DAO to not error out when there are no results to

delete

persistence/runtime/src/main/java/org/eclipsefoundation/persistence/dao/impl/DefaultHibernateDao.java

@@ -11,7 +11,6 @@ import java.util.List;
 
 import javax.inject.Inject;
 import javax.persistence.EntityManager;
-import javax.persistence.NoResultException;
 import javax.persistence.TypedQuery;
 import javax.transaction.Transactional;
 
@@ -121,11 +120,10 @@ public class DefaultHibernateDao implements PersistenceDao {
         }
         // retrieve results for the given deletion query to delete using entity manager
         List<T> results = get(q);
-        if (results.isEmpty()) {
-            throw new NoResultException("Could not find any documents with given filters");
+        if (results != null) {
+            // remove all matched documents
+            results.forEach(em::remove);
         }
-        // remove all matched documents
-        results.forEach(em::remove);
     }
 
     @Transactional