Removing the giveaway from the guessing game

rustbook/guessing_game/src/main.rs

@@ -9,8 +9,6 @@ fn main() {
 
     let secret_number = rand::thread_rng().gen_range(1, 101);
 
-    println!("The secret number is: {}", secret_number);
-
     loop {
         println!("Please input your guess.");