Remove AggregationContext.cacheRecycler().

src/main/java/org/elasticsearch/search/aggregations/support/AggregationContext.java

@@ -23,7 +23,6 @@ import org.apache.lucene.index.AtomicReaderContext;
 import org.apache.lucene.search.Scorer;
 import org.apache.lucene.util.ArrayUtil;
 import org.apache.lucene.util.RamUsageEstimator;
-import org.elasticsearch.cache.recycler.CacheRecycler;
 import org.elasticsearch.cache.recycler.PageCacheRecycler;
 import org.elasticsearch.common.lucene.ReaderContextAware;
 import org.elasticsearch.common.lucene.ScorerAware;
@@ -64,10 +63,6 @@ public class AggregationContext implements ReaderContextAware, ScorerAware {
         return searchContext;
     }
 
-    public CacheRecycler cacheRecycler() {
-        return searchContext.cacheRecycler();
-    }
-
     public PageCacheRecycler pageCacheRecycler() {
         return searchContext.pageCacheRecycler();
     }