Drop legacy working/repo dirs where possible #5927

Job	Run time
compute-version	4s
build-docs / build-docs	1m 25s
build-artifacts / code-lint	45s
build-artifacts / frontend-build	8s
build-artifacts / runner-test (macos-latest)	35s
build-artifacts / runner-test (ubuntu-latest)	31s
build-artifacts / gateway-build	12s
build-artifacts / runner-compile (ubuntu-24.04, linux, amd64)	45s
build-artifacts / runner-compile (ubuntu-24.04-arm, linux, arm64)	23s
build-artifacts / python-build	19s
build-artifacts / generate-json-schema	17s
build-artifacts / python-test (macos-latest, 3.10)	3m 20s
build-artifacts / python-test (macos-latest, 3.9)	2m 14s
build-artifacts / python-test (ubuntu-latest, 3.9)	4m 37s
build-artifacts / python-test (macos-latest, 3.12)	3m 43s
build-artifacts / python-test (macos-latest, 3.11)	2m 25s
build-artifacts / python-test (macos-latest, 3.13)	3m 13s
build-artifacts / python-test (ubuntu-latest, 3.11)	4m 41s
build-artifacts / python-test (windows-latest, 3.10)	2m 12s
build-artifacts / python-test (windows-latest, 3.12)	1m 54s
build-artifacts / python-test (windows-latest, 3.13)	2m 7s
build-artifacts / python-test (ubuntu-latest, 3.10)	4m 42s
build-artifacts / python-test (ubuntu-latest, 3.13)	4m 26s
build-artifacts / python-test (ubuntu-latest, 3.12)	5m 0s
build-artifacts / python-test (windows-latest, 3.11)	1m 53s
build-artifacts / python-test (windows-latest, 3.9)	1m 49s
upload-post-pypi-artifacts / upload-post-pypi-artifacts	18s
upload-pre-pypi-artifacts / upload-pre-pypi-artifacts	21s
	54m 19s

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