Fixup unused import error with no-default-features

Author: lopopolo

src/tests/rust_fmt_argument_max_padding.rs

@@ -21,11 +21,10 @@
 #[cfg(feature = "alloc")]
 use {
     crate::format::TimeFormatter,
+    crate::Error,
     alloc::{format, vec},
 };
 
-use crate::Error;
-
 use super::{check_all, MockTime};
 
 #[test]