Summary:
`autoGrow` feature was/is totally awesome but... nowadays <TextInput> component is always autoexpandable (on both iOS and Android),
so we don't need JavaScript implementation of this anymore. Sometimes it is even harmfull (see T23403231).
I am sorry, sumkit. You are still awesome. :)
Reviewed By: sahrens
Differential Revision: D6553514
fbshipit-source-id: 1d24a2f2c046f514bd6b6318797a607b6e1841d0