refactor: remove unused error handler

src/main.rs

@@ -20,20 +20,6 @@ pub struct Data {
   pub directus: DirectusClient,
 }
 
-async fn on_error(error: poise::FrameworkError<'_, Data, Error>) {
-  match error {
-    poise::FrameworkError::Setup { error, .. } => panic!("Failed to start bot: {error:?}"),
-    poise::FrameworkError::Command { error, ctx, .. } => {
-      println!("Error in command `{}`: {:?}", ctx.command().name, error,);
-    }
-    error => {
-      if let Err(e) = poise::builtins::on_error(error).await {
-        println!("Error while handling error: {e}")
-      }
-    }
-  }
-}
-
 #[tokio::main]
 async fn main() {
   let cli = Cli::parse();