Remove left in day 5 debug statement

src/day05.rs

@@ -18,7 +18,6 @@ impl Stacks {
     pub fn apply_instruction_in_order(&mut self, ins: &Instruction) {
         let from_stack = &mut self.stacks[ins.from - 1];
         let crates = from_stack.split_off(from_stack.len() - ins.count);
-        dbg!(&crates);
         self.stacks[ins.to - 1].extend_from_slice(&crates);
     }