Remove the -test suffix from normalize directives (#2172)

Author: Zalathar

Diff for: src/tests/directives.md

@@ -96,8 +96,8 @@ for more details.
 | `check-stdout`                    | Check `stdout` against `error-pattern`s from running test binary[^check_stdout]                                          | `ui`, `crashes`, `incremental`               | N/A                                                                                     |
 | `normalize-stderr-32bit`          | Normalize actual stderr (for 32-bit platforms) with a rule `"<raw>" -> "<normalized>"` before comparing against snapshot | `ui`, `incremental`                          | `"<RAW>" -> "<NORMALIZED>"`, `<RAW>`/`<NORMALIZED>` is regex capture and replace syntax |
 | `normalize-stderr-64bit`          | Normalize actual stderr (for 64-bit platforms) with a rule `"<raw>" -> "<normalized>"` before comparing against snapshot | `ui`, `incremental`                          | `"<RAW>" -> "<NORMALIZED>"`, `<RAW>`/`<NORMALIZED>` is regex capture and replace syntax |
-| `normalize-stderr-test`           | Normalize actual stderr with a rule `"<raw>" -> "<normalized>"` before comparing against snapshot                        | `ui`, `incremental`                          | `"<RAW>" -> "<NORMALIZED>"`, `<RAW>`/`<NORMALIZED>` is regex capture and replace syntax |
-| `normalize-stdout-test`           | Normalize actual stdout with a rule `"<raw>" -> "<normalized>"` before comparing against snapshot                        | `ui`, `incremental`                          | `"<RAW>" -> "<NORMALIZED>"`, `<RAW>`/`<NORMALIZED>` is regex capture and replace syntax |
+| `normalize-stderr`                | Normalize actual stderr with a rule `"<raw>" -> "<normalized>"` before comparing against snapshot                        | `ui`, `incremental`                          | `"<RAW>" -> "<NORMALIZED>"`, `<RAW>`/`<NORMALIZED>` is regex capture and replace syntax |
+| `normalize-stdout`                | Normalize actual stdout with a rule `"<raw>" -> "<normalized>"` before comparing against snapshot                        | `ui`, `incremental`                          | `"<RAW>" -> "<NORMALIZED>"`, `<RAW>`/`<NORMALIZED>` is regex capture and replace syntax |
 | `dont-check-compiler-stderr`      | Don't check actual compiler stderr vs stderr snapshot                                                                    | `ui`                                         | N/A                                                                                     |
 | `dont-check-compiler-stdout`      | Don't check actual compiler stdout vs stdout snapshot                                                                    | `ui`                                         | N/A                                                                                     |
 | `run-rustfix`                     | Apply all suggestions via `rustfix`, snapshot fixed output, and check fixed output builds                                | `ui`                                         | N/A                                                                                     |

Diff for: src/tests/ui.md

@@ -140,7 +140,8 @@ Sometimes these built-in normalizations are not enough. In such cases, you may
 provide custom normalization rules using `normalize-*` directives, e.g.
 
 ```rust,ignore
-//@ normalize-stdout-test: "foo" -> "bar"
+//@ normalize-stdout: "foo" -> "bar"
+//@ normalize-stderr: "foo" -> "bar"
 //@ normalize-stderr-32bit: "fn\(\) \(32 bits\)" -> "fn\(\) \($$PTR bits\)"
 //@ normalize-stderr-64bit: "fn\(\) \(64 bits\)" -> "fn\(\) \($$PTR bits\)"
 ```
@@ -167,11 +168,6 @@ usage example.
 [mrs]: https://github.com/rust-lang/rust/blob/master/tests/ui/transmute/main.rs
 [`main.stderr`]: https://github.com/rust-lang/rust/blob/master/tests/ui/transmute/main.stderr
 
-Besides `normalize-stderr-32bit` and `-64bit`, one may use any target
-information or stage supported by [`ignore-X`](directives.md#ignoring-tests) here
-as well (e.g. `normalize-stderr-windows` or simply `normalize-stderr-test` for
-unconditional replacement).
-
 ## Error annotations
 
 Error annotations specify the errors that the compiler is expected to emit. They