fix(analytical): Remove duplicated function (#4427)

As titled. 

#4426 (comment)

Author: zhanglei1949

analytical_engine/java/grape-giraph/src/main/java/com/alibaba/graphscope/parallel/mm/impl/GiraphMpiMessageManager.java

@@ -118,7 +118,6 @@ public void receiveMessages() {
                 "Frag [{}] totally Received [{}] bytes from others starting deserialization",
                 fragId,
                 bytesOfReceivedMsg);
-        tmpVector.delete();
     }
 
     /**

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

@@ -417,9 +417,4 @@ public void write(int b) throws IOException {
         vector.setRawByte(offset, (byte) b);
         offset += 1;
     }
-
-    @Override
-    public void close() throws IOException {
-        vector.delete();
-    }
 }