chore: unify all mocked `loom` files (#1732)

When the crates were merged, each component kept its own `loom` file
containing mocked types it needed. This patch unifies them all in one
location.

1 files changed, 2 insertions, 2 deletions

diff --git a/tokio/src/sync/task/atomic_waker.rs b/tokio/src/sync/task/atomic_waker.rs
index ff952a18..88d083d6 100644
--- a/tokio/src/sync/task/atomic_waker.rs
+++ b/tokio/src/sync/task/atomic_waker.rs
@@ -1,5 +1,5 @@
-use crate::sync::loom::sync::atomic::{self, AtomicUsize};
-use crate::sync::loom::sync::CausalCell;
+use crate::loom::cell::CausalCell;
+use crate::loom::sync::atomic::{self, AtomicUsize};
 
 use std::fmt;
 use std::sync::atomic::Ordering::{AcqRel, Acquire, Release};