meta: remove node_crates .gitignore

This only existed to exclude Finder's .DS_Store metadata from vendored
crate updates, but these are now automanaged by node-core-utils (which
runs `git add --force` anyway).

Signed-off-by: Renegade334 <contact.9a5d6388@renegade334.me.uk>
PR-URL: #64779
Reviewed-By: Aviv Keller <me@aviv.sh>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Author: Renegade334