Remove compiler_builtins_lib documentation

Fixes #67593
rust-lang · Dec 25, 2019 · b8ccc0f · b8ccc0f
1 parent 7bc1665
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diff --git a/src/doc/unstable-book/src/language-features/lang-items.md b/src/doc/unstable-book/src/language-features/lang-items.md
@@ -188,11 +188,7 @@ pub extern fn rust_begin_panic(info: &PanicInfo) -> ! {
 
 In many cases, you may need to manually link to the `compiler_builtins` crate
 when building a `no_std` binary. You may observe this via linker error messages
-such as "```undefined reference to `__rust_probestack'```". Using this crate
-also requires enabling the library feature `compiler_builtins_lib`. You can read
-more about this [here][compiler-builtins-lib].
-
-[compiler-builtins-lib]: ../library-features/compiler-builtins-lib.md
+such as "```undefined reference to `__rust_probestack'```".
 
 ## More about the language items
 

diff --git a/src/doc/unstable-book/src/library-features/compiler-builtins-lib.md b/src/doc/unstable-book/src/library-features/compiler-builtins-lib.md