Adjust PrimaryData to removed uuid entries

Author: t-ober

pypsdm/models/primary_data.py

@@ -179,16 +179,13 @@ def _write_ts_df(
                     f"Expected entity type to be TypeSeriesEnum but is {key.ts_type}. Can not determine file name."
                 )
             ts_name = key.ts_type.get_csv_input_file_name(key.ts_uuid)
-            data["uuid"] = [str(uuid.uuid4()) for _ in range(len(ts))]
-            data["time"] = data.index
-            data.set_index("uuid", inplace=True)
             df_to_csv(
                 data,
                 path,
                 ts_name,
                 mkdirs=mkdirs,
                 delimiter=delimiter,
-                index_label="uuid",
+                index_label="time",
             )
             return None
         except Exception as e: