Remove deprecation and fallback for keyForAttribute when keyForPolymo…#5291

Merged

rwjblue merged 1 commit intoemberjs:masterfrom bmac:key-for-polymorphic-type

Dec 19, 2017

-39

Commits on Dec 18, 2017

Remove deprecation and fallback for keyForAttribute when keyForPolymorphicType should be called
bmac
committed