message: Simplify `Language` conversion in `tour`
diff: @@ -528,10 +528,9 @@ impl<'a> Step {
  .push(Language::all().iter().cloned().fold(
  Column::new().padding(10).spacing(20),
  |choices, language| {
  - let label: &str = language.into();
  choices.push(Radio::new(
  language,
  - label,
  + language,
  selection,
  StepMessage::LanguageSelected,
  ))
  @@ -730,16 +729,16 @@ impl Language {
  }
  }
  -impl From<Language> for &str {
  - fn from(language: Language) -> &'static str {
  - match language {
  +impl From<Language> for String {
  + fn from(language: Language) -> String {
  + String::from(match language {
  Language::Rust => "Rust",
  Language::Elm => "Elm",
  Language::Ruby => "Ruby",
  Language::Haskell => "Haskell",
  Language::C => "C",
  Language::Other => "Other",
  - }
  + })
  }
  }
  