Remove FullRange from the prelude etc.

src/libcore/prelude.rs

@@ -26,7 +26,10 @@
 
 // Reexported core operators
 pub use marker::{Copy, Send, Sized, Sync};
+#[cfg(stage0)]
 pub use ops::{Drop, Fn, FnMut, FnOnce, FullRange};
+#[cfg(not(stage0))]
+pub use ops::{Drop, Fn, FnMut, FnOnce};
 
 // Reexported functions
 pub use iter::range;