Remove unnecessary project_config
Remove unnecessary project_config

Summary:
`project_config` is no longer necessary.
I was asked to split the codemod into smaller diffs. This is one of them.

Reviewed By: mzlee

Differential Revision: D4327003

fbshipit-source-id: 4af8d0b35f5e6ec3db875ceb4024a93203230f4c

facebook/SoLoader,facebook/SoLoader,facebook/SoLoader