Remove hello from join

src/commands/vc.rs

@@ -14,7 +14,6 @@ pub async fn join(ctx: &Context, msg: &Message) -> CommandResult {
         .voice_states
         .get(&msg.author.id)
         .and_then(|voice_state| voice_state.channel_id);
-    msg.channel_id.say(&ctx.http, "pong!").await?;
 
     let connect_to = match channel_id {
         Some(channel) => channel,