Drop the memory slider's language test

It set the launcher's process-wide language (Russian, Spanish) while other
launcher tests run in parallel and read tr(), and it checked a copy of
the view's match rather than the view.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

launcher/src/launch_page.rs

@@ -515,43 +515,3 @@ impl Launcher {
         )
     }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn memory_saved_message_follows_current_language() {
-        let msg = |saved: &MemorySaved| match saved {
-            MemorySaved::Ok(Some(mb)) => trf(
-                "Saved: the next Play uses at most {mb} MB.",
-                &[("mb", &mb.to_string())],
-            ),
-            MemorySaved::Ok(None) => tr("Saved: no memory limit on the next Play.").to_string(),
-            MemorySaved::Invalid => {
-                tr("Type a number of MB like 4096, or 4gb, or leave it empty for no limit.")
-                    .to_string()
-            }
-            MemorySaved::Error(e) => e.clone(),
-        };
-
-        let state = MemorySaved::Ok(None);
-
-        crate::i18n::set(crate::i18n::Language::English);
-        assert_eq!(msg(&state), "Saved: no memory limit on the next Play.");
-
-        crate::i18n::set(crate::i18n::Language::Russian);
-        assert_eq!(
-            msg(&state),
-            "Сохранено: при следующем запуске память не ограничена."
-        );
-
-        crate::i18n::set(crate::i18n::Language::Spanish);
-        assert_eq!(
-            msg(&state),
-            "Guardado: sin límite de memoria en la próxima partida."
-        );
-
-        crate::i18n::set(crate::i18n::Language::English);
-    }
-}