Remove an import path hack that is no longer needed (I fixed protoc-gen-go).
Remove an import path hack that is no longer needed (I fixed protoc-gen-go).

Change-Id: I2b504a4dc8ac9051ea24fc0c4c9b4ee950947648

mzimmerman/appengine,flowlo/appengine,skyeunknown084/appengine,fuchsia-mirror/third_party-github.com-golang-appengine,skyeunknown084/appengine,golang/appengine,flowlo/appengine,fuchsia-mirror/third_party-github.com-golang-appengine,golang/appengine,skyeunknown084/appengine,flowlo/appengine,mzimmerman/appengine,mzimmerman/appengine