Revert "[packaging] Bump golang-crossbuild version debian8 (#23872)"

[v1v]

What does this PR do?

See #23872 (comment)

[botelastic]

This pull request doesn't have a Team:<team> label.

[mergify]

This pull request does not have a backport label. Could you fix it @v1v? 🙏
To fixup this pull request, you need to add the backport labels for the needed
branches, such as:

• backport-v./d./d./d is the label to automatically backport to the 7./d branch. /d is the digit

NOTE: backport-skip has been added to this pull request.

[v1v]

/package

[elasticmachine]

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• Reason: null

• Start Time: 2022-02-03T15:12:53.329+0000

• Duration: 157 min 14 sec

• Commit: 060e9ab

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Test	Results
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Passed	48139
Skipped	4292
Total	52431

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[v1v]

@andrewkroh @nimarezainia @jlind23 , IIUC, this revert is not needed and I can close it, similar to #30185

Please can you confirm?

[jlind23]

@v1v yup you can close it an it breaks Centos 6 which is no longer supported from 8.0 on.