removed useless dir

codes/control/1.rs

-// Function declaration
-fn add_them(first: i32, second: i32) -> i32 {
-    first + second
-}
-
-fn main() {
-    // Mutable variable
-    let mut some_value = 1;
-    // Immutable, explict type
-    let explicitly_typed: i32 = 1;
-    
-    // Function call
-    some_value = add_them(some_value, explicitly_typed);
-    
-    // Macro, note the !
-    println!("{}", some_value)
-}
\ No newline at end of file