remove unused change

Signed-off-by: xil <xil@uber.com>

Author: luckyxilu66

modules/transport-grpc/src/main/java/org/opensearch/transport/grpc/proto/request/search/query/AbstractQueryBuilderProtoUtils.java

@@ -34,15 +34,6 @@ public AbstractQueryBuilderProtoUtils(QueryBuilderProtoConverterRegistryImpl reg
         this.registry = registry;
     }
 
-    /**
-     * Gets the registry used for query conversion.
-     *
-     * @return The query builder proto converter registry
-     */
-    public QueryBuilderProtoConverterRegistryImpl getRegistry() {
-        return registry;
-    }
-
     /**
      * Parse a query from its Protocol Buffer representation.
      * Similar to {@link AbstractQueryBuilder#parseInnerQueryBuilder(XContentParser)}, this method