[schema] remove db param minProperties restraint, closes #47

6 jobs for schema-changes in 37 minutes and 18 seconds (queued for 5 seconds)
Status Name Job ID Coverage
  Build
passed build_linux_27 #135039
docker

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passed build_linux_36 #135040
docker

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passed build_macosx_27 #135041
macosx

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passed build_macosx_36 #135042
macosx

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  Docker
passed docker_linux_27 #135043
docker-build

00:25:14

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passed docker_linux_36 #135044
docker-build

00:24:41

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