App manifest: more cleanups #4130

Job	Run time
cli-tests	16m 58s
build-and-test	25m 48s
integration-tests	20m 46s
docker-targets-build (${{ matrix.platform.platform }})	0s
Publish binaries of ${{ matrix.project }}	0s
sharding-tests	11m 30s
wasm-rpc-stub	1m 14s
worker-tests-group1	6m 6s
docker-publish	0s
worker-tests-group2	3m 2s
worker-tests-group3	4m 35s
worker-tests-group4	5m 50s
worker-tests-group5	8m 37s
worker-tests-group6	11m 35s
worker-tests-group7	7m 8s
worker-tests-group8	8m 48s
publish	0s
publish-slack-notification	0s
	2h 11m 57s

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