Add or remove issue numbers for a few tests

Author: GrigorenkoPV

tests/ui/deprecation/deprecation-sanity.rs

@@ -43,6 +43,8 @@ mod inner {
     pub struct Y;
 }
 
+// Deprecation does not work on re-exports, so let's be clear about that.
+// https://github.com/rust-lang/rust/issues/142436
 #[deprecated] //~ ERROR this `#[deprecated]` annotation has no effect
 pub use inner::Y;
 

tests/ui/deprecation/deprecation-sanity.stderr

@@ -155,7 +155,7 @@ LL | #[deprecated = "hello"]
    = note: `#[deny(useless_deprecated)]` on by default
 
 error: this `#[deprecated]` annotation has no effect
-  --> $DIR/deprecation-sanity.rs:46:1
+  --> $DIR/deprecation-sanity.rs:48:1
    |
 LL | #[deprecated]
    | ^^^^^^^^^^^^^ help: remove the unnecessary deprecation attribute

tests/ui/imports/unused-import-issue-87973.fixed renamed to tests/ui/imports/unused-import.fixed

@@ -1,11 +1,11 @@
 error: unused import: `std::fs`
-  --> $DIR/unused-import-issue-87973.rs:9:5
+  --> $DIR/unused-import.rs:9:5
    |
 LL | use std::fs;
    |     ^^^^^^^
    |
 note: the lint level is defined here
-  --> $DIR/unused-import-issue-87973.rs:2:9
+  --> $DIR/unused-import.rs:2:9
    |
 LL | #![deny(unused_imports)]
    |         ^^^^^^^^^^^^^^