Fix leftover rustdoc warnings

.. as these slipped in again.

Author: tnull

lightning/src/lib.rs

@@ -40,9 +40,8 @@
 #![cfg_attr(not(any(test, fuzzing, feature = "_test_utils")), deny(missing_docs))]
 #![cfg_attr(not(any(test, feature = "_test_utils")), forbid(unsafe_code))]
 
-// Prefix these with `rustdoc::` when we update our MSRV to be >= 1.52 to remove warnings.
-#![deny(broken_intra_doc_links)]
-#![deny(private_intra_doc_links)]
+#![deny(rustdoc::broken_intra_doc_links)]
+#![deny(rustdoc::private_intra_doc_links)]
 
 // In general, rust is absolutely horrid at supporting users doing things like,
 // for example, compiling Rust code for real environments. Disable useless lints