[3.15] 3.15.3.1 reverts

[jmartisk]

Reverting some stuff that has gone into the 3.15 branch since 3.15.3, in preparation for 3.15.3.1 where we need to be conservative with what to include

[quarkus-bot]

/cc @aloubyansky (3.15), @gastaldi (3.15), @gsmet (3.15), @rsvoboda (3.15)

[gastaldi]

How about creating a branch from 3.15.3 and work on top of that?

[jmartisk]

We considered that, but the release automation can't handle it in its current form and would require changes. We don't want to get into that right now before an emergency release.

[quarkus-bot]

Status for workflow Quarkus CI

This is the status report for running Quarkus CI on commit e165f77.

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It should be safe to merge provided you have a look at the other checks in the summary.

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