Michael R Fairhurst e77b186abd Enable lint unnecessary_statements. Codebase is compliant. (#20099)
* Enable lint unnecessary_statements. Codebase is compliant.

* Fix mega_gallery generated code to not generate unecessary statements

* Fix lint in mega gallery changes

* Enable unnecessary_statements for users as well as repo.
2018-08-06 16:31:57 -07:00
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