removed a debugging statement from neighbors.py

[chrisiacovella]

A debug statement was left in as part of the tmqm dataset PR. This just removes these two print statements.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.68%. Comparing base (024e297) to head (014ec7f).

Additional details and impacted files

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