Remove --list-test-names-only

People should use verbosity modifiers with `--list-tests` instead.

Closes #1190

docs/deprecations.md

@@ -11,18 +11,6 @@ at least the next major release.
 
 ## Deprecations
 
-### `--list-*` return values
-
-The return codes of the `--list-*` family of command line arguments
-will no longer be equal to the number of tests/tags/etc found, instead
-it will be 0 for success and non-zero for failure.
-
-
-### `--list-test-names-only`
-
-`--list-test-names-only` command line argument will be removed.
-
-
 ### Secondary description amongst tags
 
 Currently, the tags part of `TEST_CASE` (and others) macro can also

docs/release-notes.md

@@ -32,8 +32,11 @@
 
 ## 3.0.0 (in progress)
 
-### Breaking changes
+### (Potentially) Breaking changes
 * `ANON_TEST_CASE` has been removed, use `TEST_CASE` with no arguments instead (#1220)
+* `--list*` commands no longer have non-zero return code (#1410)
+* `--list-test-names-only` has been removed (#1190)
+  * You should use verbosity-modifiers for `--list-tests` instead
 
 ### Fixes
 * The `INFO` macro no longer contains superfluous semicolon (#1456)