Automate settings registration (#42238)

Release Notes:

- N/A

---------

Co-authored-by: Nia <nia@zed.dev>

crates/languages/src/python.rs

@@ -2271,7 +2271,6 @@ mod tests {
         cx.update(|cx| {
             let test_settings = SettingsStore::test(cx);
             cx.set_global(test_settings);
-            language::init(cx);
             cx.update_global::<SettingsStore, _>(|store, cx| {
                 store.update_user_settings(cx, |s| {
                     s.project.all_languages.defaults.tab_size = NonZeroU32::new(2);