Delete collaboration.py

collaboration.py

@@ -1,17 +0,0 @@
-from datasets import Dataset
-from typing import Dict, List
-
-_COLLAB: List[Dict] = []
-
-def add_collaboration_note(document: str, note: str) -> Dict:
-    record = {
-        "document": document,
-        "note": note
-    }
-    _COLLAB.append(record)
-    return record
-
-def get_collaboration_dataset() -> Dataset:
-    if not _COLLAB:
-        return Dataset.from_dict({"document": [], "note": []})
-    return Dataset.from_list(_COLLAB)