removed __call__ from Cleaner and NodeLandscapeAggregator
Created by: apmariglis
https://team-1617704806227.atlassian.net/jira/software/projects/MIP/issues/MIP-771
Created by: apmariglis
https://team-1617704806227.atlassian.net/jira/software/projects/MIP/issues/MIP-771