Marco Miller 9caa81a31b Elasticsearch: Discontinue EOL version 6.8 thus whole V6 support ...

- Remove the whole V6 support as 6.8 was the last supported 6.x version.
- Remove the no longer necessary documentation parts about that version.
- Update the related tests accordingly, including removing the V6 ones.

[1] https://www.elastic.co/support/eol

Change-Id: I4748c9718eec246479a2fae78e5f9b1ef912fb93

2020-12-07 17:20:29 -05:00

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google/gerrit

Elasticsearch: Discontinue EOL version 6.8 thus whole V6 support

2020-12-07 17:20:29 -05:00