infra: move xwiki validation to checkstyle org repo
infra: move xwiki validation to checkstyle org repo

rnveach/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle,rnveach/checkstyle,romani/checkstyle,romani/checkstyle,romani/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle,rnveach/checkstyle,rnveach/checkstyle,rnveach/checkstyle,checkstyle/checkstyle,romani/checkstyle,rnveach/checkstyle,romani/checkstyle,checkstyle/checkstyle,romani/checkstyle