Delete the old copy of StringKey ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=118713390
Delete the old copy of StringKey
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=118713390

google/dagger,hansonchar/dagger,google/dagger,ze-pequeno/dagger,ravn/dagger,google/dagger,ravn/dagger,cgruber/dagger,cgruber/dagger,hansonchar/dagger,dushmis/dagger,ze-pequeno/dagger,cgruber/dagger,ze-pequeno/dagger,ze-pequeno/dagger,AttwellBrian/dagger,ronshapiro/dagger,ronshapiro/dagger,ronshapiro/dagger,google/dagger,AttwellBrian/dagger,dushmis/dagger,hansonchar/dagger,ravn/dagger