replaced wildcard import with only necessary imports

Signed-off-by: shreyah963 <[email protected]>

Author: shreyah963

server/src/main/java/org/opensearch/search/aggregations/bucket/composite/GlobalOrdinalValuesSource.java

@@ -32,7 +32,11 @@
 
 package org.opensearch.search.aggregations.bucket.composite;
 
-import org.apache.lucene.index.*;
+import org.apache.lucene.index.DocValues;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.LeafReaderContext;
+import org.apache.lucene.index.SortedDocValues;
+import org.apache.lucene.index.SortedSetDocValues;
 import org.apache.lucene.search.MatchAllDocsQuery;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.util.BytesRef;