Revert "Nightly zip should use SpecsDev (#7807)" (#7817)
Revert "Nightly zip should use SpecsDev (#7807)" (#7817)

This reverts commit a7ada99447d7763b498c0f0887455c7890bc269e.
firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk