chore: update cloud run script (GoogleCloudPlatform#10491)

run/filesystem/gcsfuse_run.sh

@@ -28,8 +28,5 @@ echo "Mounting completed."
 # For environments with multiple CPU cores, increase the number of workers
 # to be equal to the cores available.
 # Timeout is set to 0 to disable the timeouts of the workers to allow Cloud Run to handle instance scaling.
-exec gunicorn --bind :$PORT --workers 1 --threads 8 --timeout 0 main:app &
-
-# Exit immediately when one of the background processes terminate.
-wait -n
+exec gunicorn --bind :$PORT --workers 1 --threads 8 --timeout 0 main:app
 # [END cloudrun_fuse_script]