Revert "Make release copy over opam json"
Revert "Make release copy over opam json"

This reverts commit 466a04431e676869794aba3a71d88cdb820f7a03.

let-def/reason,cristianoc/reason,cristianoc/reason,chenglou/reason,facebook/reason,chenglou/reason,facebook/reason,let-def/reason,facebook/reason,chenglou/reason,cristianoc/reason,let-def/reason