remove useless line beacause already in prelude

LoZack19 · LoZack19 · commit 7fb9415492e5 · 2024-08-29T10:40:01.000+02:00
diff --git a/tests/serde.rs b/tests/serde.rs
@@ -1,7 +1,5 @@
 #![cfg(feature = "serde")]
 
-use std::assert_eq;
-
 use ego_tree::{tree, Tree};
 
 #[test]
