Remove an unnecessary error mapping

crates/wasi-common/src/sys/windows/path.rs

@@ -184,29 +184,7 @@ pub(crate) fn link(
             _ => e.into(),
         })?;
     }
-    fs::hard_link(&old_path, &new_path).or_else(|err| {
-        match err.raw_os_error() {
-            Some(code) => {
-                debug!("path_link at fs::hard_link error code={:?}", code);
-                match code as u32 {
-                    // TODO is this needed at all????
-                    winerror::ERROR_ACCESS_DENIED => {
-                        // does the target exist?
-                        if new_path.exists() {
-                            return Err(Errno::Exist);
-                        }
-                    }
-                    _ => {}
-                }
-
-                Err(err.into())
-            }
-            None => {
-                log::debug!("Inconvertible OS error: {}", err);
-                Err(Errno::Io)
-            }
-        }
-    })
+    fs::hard_link(&old_path, &new_path).map_err(Into::into)
 }
 
 pub(crate) fn open(