Fix dead_code lint in fbcode/eden/scm

Reviewed By: dtolnay

Differential Revision: D104216536

fbshipit-source-id: 3585e416ae91bdf0294412976cf84969b8a44ebb

Author: generatedunixname2188312725328782

eden/scm/lib/manifest-tree/src/link.rs

@@ -18,8 +18,6 @@ use manifest::File;
 use manifest::FileMetadata;
 use manifest::FsNodeMetadata;
 use once_cell::sync::OnceCell;
-use pathmatcher::DirectoryMatch;
-use pathmatcher::Matcher;
 use types::HgId;
 use types::PathComponentBuf;
 use types::RepoPath;
@@ -158,15 +156,6 @@ impl Link {
         }
     }
 
-    pub fn matches(&self, matcher: &impl Matcher, path: &RepoPath) -> Result<bool> {
-        match self.as_ref() {
-            Leaf(_) => matcher.matches_file(path),
-            Durable(_) | Ephemeral(_) => {
-                Ok(matcher.matches_directory(path)? != DirectoryMatch::Nothing)
-            }
-        }
-    }
-
     pub fn thread_copy(&self) -> Self {
         Link {
             inner: self.inner.clone(),