removing double usage of processArray() closes #147

src/Aggregation/Bucketing/DateHistogramAggregation.php

@@ -80,7 +80,6 @@ class DateHistogramAggregation extends AbstractAggregation
             'field' => $this->getField(),
             'interval' => $this->getInterval(),
         ];
-        $out = $this->processArray($out);
 
         return $out;
     }

src/Aggregation/Metric/TopHitsAggregation.php

@@ -139,8 +139,6 @@ class TopHitsAggregation extends AbstractAggregation
             }
         );
 
-        $output = $this->processArray($output);
-
         return empty($output) ? new \stdClass() : $output;
     }
 }