App manifest: more cleanups #4318

Job	Run time
cli-tests	16m 40s
build-and-test	20m 54s
integration-tests	22m 2s
docker-targets-build (${{ matrix.platform.platform }})	0s
Publish binaries of ${{ matrix.project }}	0s
sharding-tests	12m 31s
wasm-rpc-stub	1m 15s
worker-tests-group1	6m 50s
docker-publish	0s
worker-tests-group2	4m 26s
worker-tests-group3	4m 19s
worker-tests-group4	6m 26s
worker-tests-group5	5m 34s
worker-tests-group6	5m 31s
worker-tests-group7	5m 31s
worker-tests-group8	5m 30s
publish	0s
publish-slack-notification	0s
	1h 57m 29s

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