Revert "sweet/harnesses: update the version of Cockroachdb benchmarked"

This reverts commit 8075a2cfab5561334d612049db34ee776e0b2261.

Reason for revert: This change is causing failures. It's best to revert for additional testing.

Change-Id: I4e1851b9d81d464d23c92bc968b82692de96ee6a
Reviewed-on: https://go-review.googlesource.com/c/benchmarks/+/669335
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
1 file changed