Remove ChangeData factory method used only by old index schemas

Change-Id: I6d004dd0a5ae23d654d073cc7e876e00ebb031c0
1 file changed
tree: fadc884bc1fc90c228098c086d3deb4b7b3d45b9
  1. gerrit-elasticsearch/
  2. gerrit-pgm/
  3. lib/