Remove adding test roll on first startup

src/main.rs

@@ -34,15 +34,7 @@ struct MyApp {
 
 impl MyApp {
     fn new(cc: &eframe::CreationContext<'_>) -> Self {
-        let rolls = eframe::get_value(cc.storage.unwrap(), "rolls").unwrap_or_else(|| {
+        let rolls = eframe::get_value(cc.storage.unwrap(), "rolls").unwrap_or_default();
-            vec![Roll::new(
-                "00001".into(),
-                "Test".into(),
-                "Testing".into(),
-                Local::now().date_naive(),
-                24,
-            )]
-        });
         Self {
             state: AppState { rolls },
             roll_views: Vec::new(),