Remove unused link reference.
@@ -138,7 +138,6 @@ compiler, not by [implementation items].
[implementation items]: items.html/implementations.html
[indexing expressions]: expressions/array-expr.html#array-and-slice-indexing-expressions
[interior mutability]: iterior-mutability.html
-[lang items]: attributes.html#language-items
[Numeric types]: types.html#numeric-types
[Methods]: items.html#associated-functions-and-methods
[method resolution]: expressions/method-call-expr.html
