Remove duplicate comments

[DasyDong]

Just remove one duplicate comments !

// Removes unregistered nodes if needed. Returns true if anything was removed and error if such occurred.

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[DasyDong]

Resign CLA

[DasyDong]

/assign @aleksandra-malinowska

[gjtempleton]

/lgtm

[losipiuk]

/lgtm
/approve
Thanks!

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: losipiuk

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