Fix small mistakes from last PR

[TroyKomodo]

Proposed changes

Previous commit had a clear cache tool, which allowed CI to auto purge cached branches, however it did not have the write perm.

Also removing LTO and ticketing it to benchmark later. See #45 for more details.

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• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Checklist

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• I have read the CONTRIBUTING doc
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)
• Any dependent changes have been merged and published in downstream modules

[4w3Official]

LGTM