message: chore(formatter): Remove unused `FormatError` variants
  Delete the unsupported language and capability disabled errors as they are no longer used.
diff: @@ -324,20 +324,12 @@ pub enum FormatError {
  /// In case a node can't be formatted because it either misses a require child element or
  /// a child is present that should not (e.g. a trailing comma after a rest element).
  SyntaxError,
  -
  - /// In case our formatter doesn't know how to format a certain language
  - UnsupportedLanguage,
  -
  - /// When the ability to format the current file has been turned off on purpose
  - CapabilityDisabled,
  }
  impl fmt::Display for FormatError {
  fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
  match self {
  FormatError::SyntaxError => fmt.write_str("syntax error"),
  - FormatError::UnsupportedLanguage => fmt.write_str("language is not supported"),
  - FormatError::CapabilityDisabled => fmt.write_str("formatting capability is disabled"),
  }
  }
  }
  