fix

Committed-by: [email protected] from Dev container

analytical_engine/java/grape-jdk/src/main/java/com/alibaba/graphscope/serialization/FFIByteVectorOutputStream.java

@@ -39,7 +39,7 @@ public FFIByteVectorOutputStream(FFIByteVector vector) {
     }
 
     @Override
-    public void close() throws IOException {
+    public void close() {
         vector.delete();
     }