[schema] Let RQLConstraint inherit from BaseRQLConstraint instead of RQLVocabularyConstraint There is apparently no reason for RQLConstraint to inherit from RQLVocabularyConstraint as it gets its `repo_check` method from `RepoEnforcedRQLConstraintMixIn` and RQLVocabularyConstraint (which inherits from BaseRQLConstraint) actually only overrides that method. So simplify inheritance by removing a useless level of indirection. Adjust cw_unrelated_rql accordingly, where it was that RQLConstraint inherited from RQLVocabularyConstraint.

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−#! /bin/sh -e
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−
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−case "$1" in
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−    configure|abort-upgrade|abort-remove|abort-deconfigure)
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−        update-rc.d cubicweb defaults 99 >/dev/null
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−    ;;
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−    *)
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−        echo "postinst called with unknown argument \`$1'" >&2
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−        exit 1
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−    ;;
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−esac
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−
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−#DEBHELPER#
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−
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−exit 0