Pass entity in repository delete(entity) and deleteAll(entities). (#1726)

Closes #1725.

src/test/java/org/springframework/data/couchbase/repository/CouchbaseRepositoryKeyValueIntegrationTests.java

@@ -113,7 +113,7 @@ public class CouchbaseRepositoryKeyValueIntegrationTests extends ClusterAwareInt
 		assertThrows(DuplicateKeyException.class, () -> userRepository.save(user));
 		user.setVersion(saveVersion + 1);
 		assertThrows(OptimisticLockingFailureException.class, () -> userRepository.save(user));
-		userRepository.delete(user);
+		userRepository.deleteById(user.getId());
 
 		// Airline does not have a version
 		Airline airline = new Airline(UUID.randomUUID().toString(), "MyAirline", null);