Remove chained comparisons from the undocumented page.
@@ -25,7 +25,6 @@ to shrink!
[Flexible target specification]: https://github.com/rust-lang/rfcs/pull/131
[Conditional compilation]: attributes.html#conditional-compilation
[Unambiguous function call syntax]: https://github.com/rust-lang/rfcs/pull/132
-[Require parentheses for chained comparisons]: https://github.com/rust-lang/rfcs/pull/558
[Integer overflow not `unsafe`]: https://github.com/rust-lang/rfcs/pull/560
[`dllimport`]: https://github.com/rust-lang/rfcs/pull/1717
[FFI attributes]: attributes.html#ffi-attributes
