App manifest: more cleanups #4161

Job	Run time
build-and-test	21m 37s
cli-tests	17m 18s
integration-tests	22m 42s
docker-targets-build (${{ matrix.platform.platform }})	0s
Publish binaries of ${{ matrix.project }}	0s
sharding-tests	12m 39s
wasm-rpc-stub	56s
worker-tests-group1	6m 44s
docker-publish	0s
worker-tests-group2	3m 7s
worker-tests-group3	5m 10s
worker-tests-group4	6m 6s
worker-tests-group5	5m 0s
worker-tests-group6	5m 0s
worker-tests-group7	4m 59s
worker-tests-group8	4m 54s
publish	0s
publish-slack-notification	0s
	1h 56m 12s

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