Remove unneeded artifact checksums
Remove unneeded artifact checksums

Test: ./gradlew bOS --dry-run
Bug: 218899529
Change-Id: Ic357371b91c67616bdbf7ea23a19133bda472556

AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx