Remove legacy code. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=124153531
Remove legacy code.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=124153531

cgruber/guice,mcculls/guice,mcculls/guice,sonatype/sisu-guice,google/guice,google/guice,cgruber/guice,mcculls/guice,sonatype/sisu-guice,google/guice,takecy/guice,takecy/guice