Remove obsolete btrescan() comment.
"Ordering stuff" refered to a _bt_first() call to _bt_orderkeys().
However, the _bt_orderkeys() function was renamed to
_bt_preprocess_keys() by commit
_bt_preprocess_keys() is directly referenced just after the removed
comment already, which seems sufficient.
@@ -440,8 +440,7 @@ btrescan(IndexScanDesc scan, ScanKey scankey, int nscankeys,
}
/*
- * Reset the scan keys. Note that keys ordering stuff moved to _bt_first.
- * - vadim 05/05/97
+ * Reset the scan keys
*/
if (scankey && scan->numberOfKeys > 0)
memmove(scan->keyData,
