Reset bes_upload_mode to default: wait_for_upload_complete

Author: levsha

.bazelrc

@@ -40,11 +40,8 @@ build:ci --build_event_binary_file=bazel-bep.pb
 
 build --bes_results_url=https://dash.idx.dfinity.network/invocation/
 build --bes_backend=bes.idx.dfinity.network
-build --bes_timeout=30s # Defauilt is no timeout.
-build --bes_upload_mode=fully_async
-# TODO(IDX-2718): Uncomment when bes service will be stable.
-#build:ci --bes_timeout=180s # Defauilt is no timeout.
-#build:ci --bes_upload_mode=wait_for_upload_complete
+build --bes_timeout=30s # Default is no timeout.
+build:ci --bes_timeout=180s # Default is no timeout.
 
 build --remote_local_fallback
 build --workspace_status_command=$(pwd)/bazel/workspace_status.sh