Fix retain cycle in RCTDevMenu
Fix retain cycle in RCTDevMenu

Summary: A retain-cycle regression was added by D14162776 and detected here: T41208740. Fix should be trivial.

Reviewed By: shergin

Differential Revision: D14709784

fbshipit-source-id: bad6ab31a5170e9320c4432cbd20d02ec6164f38

facebook/react-native,hammerandchisel/react-native,myntra/react-native,facebook/react-native,exponent/react-native,hammerandchisel/react-native,arthuralee/react-native,myntra/react-native,hoangpham95/react-native,pandiaraj44/react-native,hammerandchisel/react-native,arthuralee/react-native,janicduplessis/react-native,janicduplessis/react-native,hammerandchisel/react-native,arthuralee/react-native,janicduplessis/react-native,myntra/react-native,myntra/react-native,myntra/react-native,janicduplessis/react-native,hammerandchisel/react-native,hoangpham95/react-native,janicduplessis/react-native,javache/react-native,javache/react-native,javache/react-native,exponentjs/react-native,exponent/react-native,exponentjs/react-native,exponent/react-native,exponentjs/react-native,pandiaraj44/react-native,exponent/react-native,exponent/react-native,javache/react-native,janicduplessis/react-native,pandiaraj44/react-native,pandiaraj44/react-native,hoangpham95/react-native,janicduplessis/react-native,pandiaraj44/react-native,javache/react-native,exponentjs/react-native,exponent/react-native,exponent/react-native,pandiaraj44/react-native,facebook/react-native,hoangpham95/react-native,myntra/react-native,janicduplessis/react-native,arthuralee/react-native,facebook/react-native,javache/react-native,hammerandchisel/react-native,javache/react-native,facebook/react-native,exponentjs/react-native,arthuralee/react-native,hoangpham95/react-native,myntra/react-native,javache/react-native,hammerandchisel/react-native,facebook/react-native,exponentjs/react-native,exponent/react-native,myntra/react-native,facebook/react-native,pandiaraj44/react-native,hoangpham95/react-native,javache/react-native,myntra/react-native,facebook/react-native,facebook/react-native,pandiaraj44/react-native,exponentjs/react-native,hoangpham95/react-native,hoangpham95/react-native,exponentjs/react-native,hammerandchisel/react-native