Remove leftover comments, left behind by removal of WITH OIDS.

Author: Amit Langote
Discussion: https://www.postgresql.org/message-id/CA%2BHiwqGaRoF3XrhPW-Y7P%2BG7bKo84Z_h%3DkQHvMh-80%3Dav3wmOw%40mail.gmail.com

contrib/file_fdw/file_fdw.c

@@ -725,9 +725,6 @@ fileIterateForeignScan(ForeignScanState *node)
 	 *
 	 * We can pass ExprContext = NULL because we read all columns from the
 	 * file, so no need to evaluate default expressions.
-	 *
-	 * We can also pass tupleOid = NULL because we don't allow oids for
-	 * foreign tables.
 	 */
 	ExecClearTuple(slot);
 	found = NextCopyFrom(festate->cstate, NULL,

src/backend/commands/copy.c

@@ -3683,7 +3683,6 @@ NextCopyFromRawFields(CopyState cstate, char ***fields, int *nfields)
  *
  * 'values' and 'nulls' arrays must be the same length as columns of the
  * relation passed to BeginCopyFrom. This function fills the arrays.
- * Oid of the tuple is returned with 'tupleOid' separately.
  */
 bool
 NextCopyFrom(CopyState cstate, ExprContext *econtext,