chore(sdk): Remove the TODO from the documentation.

Author: Hywan

crates/matrix-sdk/src/event_cache/caches/thread/pagination.rs

@@ -41,8 +41,8 @@ use crate::room::{IncludeRelations, RelationsOptions};
 
 /// Intermediate type because the `ThreadEventCache` state doesn't provide all
 /// the feature for the moment.
-///
-/// TODO: Remove this intermediate type.
+//
+// TODO: Remove this intermediate type.
 #[derive(Clone)]
 struct ThreadEventCacheWrapper {
     cache: Arc<ThreadEventCacheInner>,