Remove useless UploadStatus.Success

src/python/matrix_client.py

@@ -317,7 +317,6 @@ class MatrixClient(nio.AsyncClient):
             content["msgtype"]  = "m.file"
             content["filename"] = path.name
 
-        upload_item.status = UploadStatus.Success
         del self.models[Upload, room_id][upload_item.uuid]
 
         uuid = str(uuid4())

src/python/models/items.py

@@ -110,7 +110,6 @@ class UploadStatus(AutoStrEnum):
     CreatingThumbnail   = auto()
     EncryptingThumbnail = auto()
     UploadingThumbnail  = auto()
-    Success             = auto()
     Failure             = auto()  # TODO