fix(graphical): oops. Fix theme issue

Author: zkat

src/handler.rs

@@ -311,8 +311,7 @@ impl MietteHandlerOpts {
             let theme = self.theme.unwrap_or(GraphicalTheme { characters, styles });
             let mut handler = GraphicalReportHandler::new_themed(theme)
                 .with_width(width)
-                .with_links(linkify)
-                .with_theme(theme);
+                .with_links(linkify);
             handler.highlighter = highlighter;
             if let Some(with_cause_chain) = self.with_cause_chain {
                 if with_cause_chain {