persist-client: remove ineffective track_caller annotations

`track_caller` has no effect on async functions currently.

Author: teskje

src/persist-client/src/lib.rs

@@ -580,7 +580,6 @@ impl PersistClient {
 
     /// Test helper for a [Self::open] call that is expected to succeed.
     #[cfg(test)]
-    #[track_caller]
     pub async fn expect_open<K, V, T, D>(
         &self,
         shard_id: ShardId,

src/persist-client/src/read.rs

@@ -406,7 +406,6 @@ where
     /// reached. Because compaction can arbitrarily combine batches, we only
     /// return the final progress info.
     #[cfg(test)]
-    #[track_caller]
     pub async fn read_until(
         &mut self,
         ts: &T,
@@ -870,7 +869,6 @@ where
 
     /// Test helper for a [Self::listen] call that is expected to succeed.
     #[cfg(test)]
-    #[track_caller]
     pub async fn expect_listen(self, as_of: T) -> Listen<K, V, T, D> {
         self.listen(Antichain::from_elem(as_of))
             .await
@@ -888,7 +886,6 @@ where
     /// Test helper to generate a [Self::snapshot] call that is expected to
     /// succeed, process its batches, and then return its data sorted.
     #[cfg(test)]
-    #[track_caller]
     pub async fn expect_snapshot_and_fetch(
         &mut self,
         as_of: T,

src/persist-client/src/write.rs

@@ -636,7 +636,6 @@ where
 
     /// Test helper for an [Self::append] call that is expected to succeed.
     #[cfg(test)]
-    #[track_caller]
     pub async fn expect_append<L, U>(&mut self, updates: &[((K, V), T, D)], lower: L, new_upper: U)
     where
         L: Into<Antichain<T>>,
@@ -652,7 +651,6 @@ where
     /// Test helper for a [Self::compare_and_append] call that is expected to
     /// succeed.
     #[cfg(test)]
-    #[track_caller]
     pub async fn expect_compare_and_append(
         &mut self,
         updates: &[((K, V), T, D)],
@@ -674,7 +672,6 @@ where
     /// Test helper for a [Self::compare_and_append_batch] call that is expected
     /// to succeed.
     #[cfg(test)]
-    #[track_caller]
     pub async fn expect_compare_and_append_batch(
         &mut self,
         batches: &mut [&mut Batch<K, V, T, D>],
@@ -693,7 +690,6 @@ where
 
     /// Test helper for an [Self::append] call that is expected to succeed.
     #[cfg(test)]
-    #[track_caller]
     pub async fn expect_batch(
         &mut self,
         updates: &[((K, V), T, D)],