fs: fix rmsync error swallowing

fix rmsync swallowing errors instead of throwing them.

fixes: https://github.com/nodejs/node/issues/38683
fixes: https://github.com/nodejs/node/issues/34580

PR-URL: https://github.com/nodejs/node/pull/38684
Fixes: https://github.com/nodejs/node/issues/38683
Fixes: https://github.com/nodejs/node/issues/34580


Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>