Remove redundant statement

repository/src/main/scala/org/apache/hadoop/metadata/query/GremlinEvaluator.scala

@@ -104,7 +104,6 @@ class GremlinEvaluator(qry: GremlinQuery, persistenceStrategy: GraphPersistenceS
                     val v = rV.getColumn(src).get(idx)
                     sInstance.set(cName, persistenceStrategy.constructInstance(aE.dataType, v))
                 }
-                sInstance
               addPathStruct(r, sInstance)
             }
             GremlinQueryResult(qry.expr.toString, rType, rows.toList)
@@ -137,4 +136,4 @@ object JsonHelper {
     def toJson(r: GremlinQueryResult): String = {
         writePretty(r)
     }
-}
\ No newline at end of file
+}