fix other doc reference to macro usage
@@ -13,10 +13,7 @@ use crate::{env, AccountId, PromiseResult};
/// # Example use
///
/// ```no_run
-/// #[macro_use]
-/// extern crate near_sdk;
-///
-/// use near_sdk::env::log;
+/// use near_sdk::log;
///
/// # fn main() {
/// log!("test");
