Update expected output for zero-sized map value test

Author: korrat

tests/ui/zero_sized_map_values.stderr

@@ -24,18 +24,18 @@ LL |     fn weird_map(&self, map: HashMap<usize, ()>);
    = help: consider using a set instead
 
 error: map with zero-sized value type
-  --> $DIR/zero_sized_map_values.rs:31:24
+  --> $DIR/zero_sized_map_values.rs:31:14
    |
-LL | fn hashmap_not_ok(map: HashMap<String, ()>, key: &str) -> HashMap<String, ()> {
-   |                        ^^^^^^^^^^^^^^^^^^^
+LL | fn test(map: HashMap<String, ()>, key: &str) -> HashMap<String, ()> {
+   |              ^^^^^^^^^^^^^^^^^^^
    |
    = help: consider using a set instead
 
 error: map with zero-sized value type
-  --> $DIR/zero_sized_map_values.rs:31:59
+  --> $DIR/zero_sized_map_values.rs:31:49
    |
-LL | fn hashmap_not_ok(map: HashMap<String, ()>, key: &str) -> HashMap<String, ()> {
-   |                                                           ^^^^^^^^^^^^^^^^^^^
+LL | fn test(map: HashMap<String, ()>, key: &str) -> HashMap<String, ()> {
+   |                                                 ^^^^^^^^^^^^^^^^^^^
    |
    = help: consider using a set instead
 
@@ -50,18 +50,10 @@ LL |     let _: HashMap<String, ()> = HashMap::new();
 error: map with zero-sized value type
   --> $DIR/zero_sized_map_values.rs:44:9
    |
-LL |     let _: BTreeMap<String, ()> = BTreeMap::new();
-   |         ^
-   |
-   = help: consider using a set instead
-
-error: map with zero-sized value type
-  --> $DIR/zero_sized_map_values.rs:47:9
-   |
 LL |     let _: HashMap<_, _> = std::iter::empty::<(String, ())>().collect();
    |         ^
    |
    = help: consider using a set instead
 
-error: aborting due to 8 previous errors
+error: aborting due to 7 previous errors