AbstractElasticIndex: Don't mention "change" in exception message

This abstract class is used for all index types. Mentioning "change"
in the error message will cause confusion.

Change-Id: I3260228121a0208945ef6a14357d6c47f5345828
1 file changed
tree: 5ce8582b1c946312bc88ab38cda31ba8fb5a3f4f
  1. gerrit-acceptance-tests/
  2. gerrit-elasticsearch/
  3. gerrit-pgm/