UnexpectedValueException is never used, removing
UnexpectedValueException is never used, removing

ndinh215/ONGRElasticsearchBundle,saimaz/ElasticsearchBundle,ndinh215/ONGRElasticsearchBundle,tautrimas/ElasticsearchBundle,martiis/ElasticsearchBundle,tautrimas/ElasticsearchBundle,saimaz/ElasticsearchBundle,murnieza/ElasticsearchBundle,murnieza/ElasticsearchBundle,asev/ElasticsearchBundle,ongr-io/ElasticsearchBundle,trandangtri/ElasticsearchBundle,asev/ElasticsearchBundle,trandangtri/ElasticsearchBundle,martiis/ElasticsearchBundle