remove unused code
remove unused code

starsystemsindia/SolrBundle,floriansemm/SolrBundle,floriansemm/SolrBundle,drdk/SolrBundle,clarity-project/SolrBundle,cegeka/fd-solr-bundle,andythorne/SolrBundle,zquintana/SunSearchBundle,drdk/SolrBundle,frank-und-freunde/SolrBundle,zquintana/SunSearchBundle,clarity-project/SolrBundle