Removing commented out and unused code
Remove comment of unused method
Revert "Remove comment of unused method"

This reverts commit 799c6760f2bda316d300be49245be98afcdbd918.
Remove unused comment
Merge pull request #747 from realm/os-clean-create-json

Removing commented out and unused code
Allow 0 and 1 to be used as bools in predicates