edit prediction: Don't log an error if license file isn't found (#24278)

Logging an error in this case isn't super necessary.

Release Notes:

- N/A

Co-authored-by: Bennet Bo Fenner <53836821+bennetbo@users.noreply.github.com>

crates/zeta/src/zeta.rs

@@ -958,8 +958,7 @@ impl LicenseDetectionWatcher {
         Self {
             is_open_source_rx,
             _is_open_source_task: cx.spawn(|_, _| async move {
-                // TODO: Don't display error if file not found
-                let Some(loaded_file) = loaded_file_fut.await.log_err() else {
+                let Ok(loaded_file) = loaded_file_fut.await else {
                     return;
                 };