clean up unnessary files (#220)

Summary:
Pull Request resolved: #220

Clean up the leftover files that are no longer needed due to dynamic loading being introduced.

Test Plan: Imported from OSS

Reviewed By: d4l3k, anirbanr-fb-r2p

Differential Revision: D40558771

Pulled By: PaliC

fbshipit-source-id: ecf7b37acef7505b49534925202a7213d7c403b3

Author: PaliC