App manifest: more cleanups #4144

Job	Run time
integration-tests	22m 35s
cli-tests	15m 55s
build-and-test	21m 17s
docker-targets-build (${{ matrix.platform.platform }})	0s
Publish binaries of ${{ matrix.project }}	0s
sharding-tests	12m 3s
wasm-rpc-stub	1m 4s
worker-tests-group1	6m 43s
docker-publish	0s
worker-tests-group2	3m 36s
worker-tests-group3	4m 53s
worker-tests-group4	6m 19s
worker-tests-group5	8m 17s
worker-tests-group6	10m 55s
worker-tests-group7	6m 50s
worker-tests-group8	9m 12s
publish	0s
publish-slack-notification	0s
	2h 9m 39s

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