build: drop trusty from PPA builds, EOL and incompatible #29651
Merged
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This PR drops Ubuntu Trusty as a PPA build target. The reason is: arm64 shipped with it is incompatible with Go; amd64 is missing C headers files we need; 386 OOMs on the builder, for whatever reason. That said, Trusty's EOL is April 2024, so right on cue.
The PR also does some further cleanups of hacks and parameters that we've added to keep trusty alive. Without it, we can get rid of the many stuff that can be hardcoded now again.