Remove fluentd and associated plugins from Azure Linux 3.0

[jslobodzian]

Merge Checklist

All boxes should be checked before merging the PR (just tick any boxes which don't apply to this PR)

• The toolchain has been rebuilt successfully (or no changes were made to it)
• The toolchain/worker package manifests are up-to-date
• Any updated packages successfully build (or no packages were changed)
• Packages depending on static components modified in this PR (Golang, *-static subpackages, etc.) have had their Release tag incremented.
• Package tests (%check section) have been verified with RUN_CHECK=y for existing SPEC files, or added to new SPEC files
• All package sources are available
• cgmanifest files are up-to-date and sorted (./cgmanifest.json, ./toolkit/scripts/toolchain/cgmanifest.json, .github/workflows/cgmanifest.json)
• LICENSE-MAP files are up-to-date (./LICENSES-AND-NOTICES/SPECS/data/licenses.json, ./LICENSES-AND-NOTICES/SPECS/LICENSES-MAP.md, ./LICENSES-AND-NOTICES/SPECS/LICENSE-EXCEPTIONS.PHOTON)
• All source files have up-to-date hashes in the *.signatures.json files
• sudo make go-tidy-all and sudo make go-test-coverage pass
• Documentation has been updated to match any changes to the build system
• Ready to merge

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Summary

Fluentd is not supported in Azure Linux 3.0 and was not intended to be shipped with AZL 3.0. Only FluentBit is supported. This PR removes fluentd and all associated plugins.

Does this affect the toolchain?

NO

[mfrw]

It seems we might have targeted the wrong base-branch.
Was it supposed to go to 3.0-dev ?

[jslobodzian]

It seems we might have targeted the wrong base-branch. Was it supposed to go to 3.0-dev ?

yes. Good catch.

[anphel31]

I think we should verify this with a full build. Started one: https://dev.azure.com/mariner-org/mariner/_build/results?buildId=793339&view=results