remove leftover

Author: jimczi

server/src/main/java/org/elasticsearch/index/mapper/vectors/DenseVectorFieldMapper.java

@@ -58,7 +58,6 @@
 import org.elasticsearch.index.mapper.BlockDocValuesReader;
 import org.elasticsearch.index.mapper.BlockLoader;
 import org.elasticsearch.index.mapper.BlockSourceReader;
-import org.elasticsearch.index.mapper.DocValueFetcher;
 import org.elasticsearch.index.mapper.DocumentParserContext;
 import org.elasticsearch.index.mapper.FieldMapper;
 import org.elasticsearch.index.mapper.MappedFieldType;
@@ -76,7 +75,6 @@
 import org.elasticsearch.index.query.SearchExecutionContext;
 import org.elasticsearch.search.DocValueFormat;
 import org.elasticsearch.search.aggregations.support.CoreValuesSourceType;
-import org.elasticsearch.search.fetch.StoredFieldsSpec;
 import org.elasticsearch.search.lookup.Source;
 import org.elasticsearch.search.vectors.DenseVectorQuery;
 import org.elasticsearch.search.vectors.ESDiversifyingChildrenByteKnnVectorQuery;
@@ -2287,13 +2285,6 @@ public ValueFetcher valueFetcher(SearchExecutionContext context, String format)
             if (format != null) {
                 throw new IllegalArgumentException("Field [" + name() + "] of type [" + typeName() + "] doesn't support formats.");
             }
-            if (context.getMappingLookup().isSourceSynthetic()) {
-                return new DocValueFetcher(
-                    docValueFormat(null, null),
-                    context.getForField(this, FielddataOperation.SEARCH),
-                    StoredFieldsSpec.NO_REQUIREMENTS
-                );
-            }
             return new ArraySourceValueFetcher(name(), context) {
                 @Override
                 protected Object parseSourceValue(Object value) {