update comment

tests/ui/wf/wf-trait-default-fn-ret.rs

@@ -1,5 +1,4 @@
-// Check that we test WF conditions for fn arguments. Because the
-// current code is so goofy, this is only a warning for now.
+// Check that we test WF conditions for fn arguments.
 
 #![feature(rustc_attrs)]
 #![allow(dead_code)]

tests/ui/wf/wf-trait-default-fn-ret.stderr

@@ -1,11 +1,11 @@
 error[E0277]: the trait bound `Self: Eq` is not satisfied
-  --> $DIR/wf-trait-default-fn-ret.rs:11:22
+  --> $DIR/wf-trait-default-fn-ret.rs:10:22
    |
 LL |     fn bar(&self) -> Bar<Self> {
    |                      ^^^^^^^^^ the trait `Eq` is not implemented for `Self`
    |
 note: required by a bound in `Bar`
-  --> $DIR/wf-trait-default-fn-ret.rs:8:14
+  --> $DIR/wf-trait-default-fn-ret.rs:7:14
    |
 LL | struct Bar<T:Eq+?Sized> { value: Box<T> }
    |              ^^ required by this bound in `Bar`