Remove extra #[cfg(stage0)]

src/libcore/bool.rs

@@ -108,9 +108,6 @@ mod tests {
 
     #[test]
     fn test_bool_from_str() {
-        #[cfg(stage0)]
-        use from_str::FromStr;
-
         do all_values |v| {
             assert!(Some(v) == FromStr::from_str(to_str(v)))
         }

src/libstd/net_url.rs

@@ -13,8 +13,6 @@
 #[allow(deprecated_mode)];
 
 use core::cmp::Eq;
-#[cfg(stage0)]
-use core::from_str::FromStr;
 use core::io::{Reader, ReaderUtil};
 use core::io;
 use core::hashmap::HashMap;