Don't set activity in ready event

src/event_handlers.rs

@@ -13,9 +13,6 @@ pub async fn listener(
     data: &Data,
 ) -> Result<(), Error> {
     match event {
-        FullEvent::Ready { .. } => {
-            ctx.set_activity(Some(ActivityData::watching("for /remind")));
-        }
         FullEvent::ChannelDelete { channel, .. } => {
             sqlx::query!("DELETE FROM channels WHERE channel = ?", channel.id.get())
                 .execute(&data.database)