filter: remove unused msgpack macro
@@ -51,9 +51,6 @@ static inline int prop_key_check(char *key, char *kv, int k_len)
return -1;
}
-#define msgpack_pack_append_buffer(user, buf, len) \
- (*(user)->callback)((user)->data, (const char*)buf, len)
-
/*
* If a filter plugin returned a new buffer, we need to replace the
* old buffer comming from the input instance.
