Revert "Tag all replies to the coordinator"
Revert "Tag all replies to the coordinator"

Not all rexi communication happens through `rexi_utils:recv/6`. We'll
need to audit all of our apps to see anywhere that doesn't to update to
the new message format.

This reverts commit 2f967906730eedf5851752be06155fc49edd28a1.

fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb