Removed unused namespaces, variables

Bool/Bool.php

@@ -12,7 +12,6 @@
 namespace ONGR\ElasticsearchBundle\DSL\Bool;
 
 use ONGR\ElasticsearchBundle\DSL\BuilderInterface;
-use ONGR\ElasticsearchBundle\DSL\ParametersTrait;
 use ONGR\ElasticsearchBundle\DSL\Query\BoolQuery;
 
 /**

Filter/OrFilter.php

@@ -11,9 +11,6 @@
 
 namespace ONGR\ElasticsearchBundle\DSL\Filter;
 
-use ONGR\ElasticsearchBundle\DSL\BuilderInterface;
-use ONGR\ElasticsearchBundle\DSL\ParametersTrait;
-
 /**
  * Represents Elasticsearch "or" filter.
  *

Query/Query.php

@@ -30,7 +30,7 @@ class Query implements BuilderInterface
      *
      * @deprecated will remove in 1.0 Add NestedQuery to the Query as all other queries.
      */
-    private $nested = null;
+    private $nested;
 
     /**
      * @param array $boolParams Possible values: