SOLR-4748: remove bogus files in licenses/ directory and fix the build to fail again when this happens

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1470561 13f79535-47bb-0310-9956-ffa450edef68
SOLR-4748: remove more bogus files

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1470564 13f79535-47bb-0310-9956-ffa450edef68