Temporarily return an empty set for the step reference field for comments
Revert walkhub comments features
Merge pull request #71 from Coornail/fix/506-fix-comment-step-reference-view

Temporarily return an empty set for the step reference field for comments
Merge pull request #72 from Coornail/fix/506-fix-comment-step-reference-view

Revert walkhub comments features