Get rid of comment about open().
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 4b6f301..c2a7cb2 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -613,7 +613,7 @@
 	{"max",		builtin_max},
 	{"min",		builtin_min},
 	{"oct",		builtin_oct},
-	{"open",	builtin_open}, /* XXX move to OS module */
+	{"open",	builtin_open},
 	{"ord",		builtin_ord},
 	{"pow",		builtin_pow},
 	{"range",	builtin_range},