update tests

Author: lcnr

tests/ui/impl-trait/issue-99073.rs

@@ -4,6 +4,5 @@ fn main() {
 
 fn fix<F: Fn(G), G: Fn()>(f: F) -> impl Fn() {
   move || f(fix(&f))
-  //~^ ERROR concrete type differs from previous defining opaque type use
-  //~| ERROR expected generic type parameter, found `&F`
+  //~^ ERROR expected generic type parameter, found `&F`
 }

tests/ui/impl-trait/issue-99073.stderr

@@ -1,23 +1,11 @@
-error: concrete type differs from previous defining opaque type use
-  --> $DIR/issue-99073.rs:6:13
-   |
-LL |   move || f(fix(&f))
-   |             ^^^^^^^ expected `{closure@$DIR/issue-99073.rs:6:3: 6:10}`, got `G`
-   |
-note: previous use here
-  --> $DIR/issue-99073.rs:5:36
-   |
-LL | fn fix<F: Fn(G), G: Fn()>(f: F) -> impl Fn() {
-   |                                    ^^^^^^^^^
-
 error[E0792]: expected generic type parameter, found `&F`
-  --> $DIR/issue-99073.rs:6:11
+  --> $DIR/issue-99073.rs:6:13
    |
 LL | fn fix<F: Fn(G), G: Fn()>(f: F) -> impl Fn() {
    |        - this generic parameter must be used with a generic type parameter
 LL |   move || f(fix(&f))
-   |           ^^^^^^^^^^
+   |             ^^^^^^^
 
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0792`.