Remove use of nameify_default_export in statement function
Remove use of nameify_default_export in statement function

Summary: Instead of making a fake AST node, we can pass a flag down and construct the internal name elsewhere.

Reviewed By: panagosg7

Differential Revision: D26358070

fbshipit-source-id: 1e400577a151d576d24b158bcde7ab0a3e3c7567

facebook/flow,mroch/flow,mroch/flow,mroch/flow,facebook/flow,facebook/flow,mroch/flow,mroch/flow,mroch/flow,facebook/flow,facebook/flow,mroch/flow,facebook/flow,facebook/flow