SOLR-5530: Remove empty throws clause

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1564720 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5598: LanguageIdentifierUpdateProcessor ignores all but the first value of multiValued string fields

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1564732 13f79535-47bb-0310-9956-ffa450edef68