Collectively removed from Firestore

I did it with Chrome devtool. js

let querySnapshot;
db.collection("kakidashi").get().then((qs) => { querySnapshot = qs})
querySnapshot.docs[0].data().items
querySnapshot.forEach((x) => {
	if(x.data().items.length == 0){
	  x.ref.delete()
	}
})

Firestore

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