Elastic{Index|ReindexIT} Remove tests for 6.2 and 6.3

We don't need to test these versions all the time, so remove the
tests.

Support for versions 6.2 and 6.3 is kept; if we need to check for
regressions we can manually enable the tests again later.

Change-Id: Ia15785ad9cc995b4672814dd346e02a6ee4026a0
2 files changed
tree: f83c4a9ce7dac9f79d2d9249361f8f9316b39fd3
  1. gerrit-acceptance-tests/
  2. gerrit-elasticsearch/
  3. gerrit-pgm/