remove ndjson converter code

Matt Sokoloff · Matt Sokoloff · commit 7a639f7d9472 · 2021-07-21T10:07:10.000-04:00
diff --git a/labelbox/data/serialization/__init__.py b/labelbox/data/serialization/__init__.py
@@ -0,0 +1 @@
+from .labelbox_v1 import LBV1Converter
