Switch compiler/ to intra-doc links

rustc_lint and rustc_lint_defs weren't switched because they're included
in the compiler book and so can't use intra-doc links.

compiler/rustc_data_structures/src/graph/iterate/mod.rs

@@ -149,8 +149,6 @@ struct Event<N> {
 /// those successors), we will pop off that node's `Settled` event.
 ///
 /// [CLR]: https://en.wikipedia.org/wiki/Introduction_to_Algorithms
-/// [`NodeStatus`]: ./enum.NodeStatus.html
-/// [`TriColorVisitor::node_examined`]: ./trait.TriColorVisitor.html#method.node_examined
 pub struct TriColorDepthFirstSearch<'graph, G>
 where
     G: ?Sized + DirectedGraph + WithNumNodes + WithSuccessors,

compiler/rustc_data_structures/src/sorted_map/index_map.rs

@@ -24,8 +24,7 @@ use rustc_index::vec::{Idx, IndexVec};
 /// to insert into the middle of the sorted array. Users should avoid mutating this data structure
 /// in-place.
 ///
-/// [`IndexVec`]: ../../rustc_index/vec/struct.IndexVec.html
-/// [`SortedMap`]: ../sorted_map/struct.SortedMap.html
+/// [`SortedMap`]: super::SortedMap
 #[derive(Clone, Debug)]
 pub struct SortedIndexMultiMap<I: Idx, K, V> {
     /// The elements of the map in insertion order.