Clean up CloseableIteration/TupleQueryResult convenience method implementations

Description

CloseableIteration.addTo, .asList, .asSet are duplicates of functions availabe in the Iterations class. We need to revisit this and clean things up a bit

Environment

None

Status

Assignee

Jeen Broekstra

Reporter

Jeen Broekstra

Labels

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Components

Fix versions

Affects versions

Priority

Major
Configure