removeCollection method
Removes a Firestore collection from the target project by name.
Implementation
void removeCollection(String name) {
_queueRemoval(
name: name,
kind: 'collection',
declarationApi: 'collection',
declaredNames: _collectionNames,
);
_rawMutations.add(
(project) => collection_helpers.removeCollection(project, name: name),
);
}