remove legacy nbextension

Makefile

@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
-.PHONY: clean black blackcheck eslint imports build deploy_only deploy check check_no_typing test tests deps devdeps dev typecheck version bump extlink kernel nbext
+.PHONY: clean black blackcheck eslint imports build deploy_only deploy check check_no_typing test tests deps devdeps dev typecheck version bump extlink kernel
 
 clean:
-	rm -rf __pycache__ core/__pycache__ build/ core/build/ core/dist/ dist/ ipyflow.egg-info/ core/ipyflow_core.egg-info core/ipyflow/resources/nbextension core/ipyflow/resources/labextension
+	rm -rf __pycache__ core/__pycache__ build/ core/build/ core/dist/ dist/ ipyflow.egg-info/ core/ipyflow_core.egg-info core/ipyflow/resources/labextension
 
 build: clean
 	./scripts/build.sh
@@ -72,7 +72,4 @@ extlink:
 kernel:
 	python -m ipyflow.install --sys-prefix
 
-nbext:
-	./scripts/nbext.sh --sys-prefix
-
-dev: devdeps build extlink kernel nbext
+dev: devdeps build extlink kernel

core/ipyflow/__init__.py

@@ -16,21 +16,6 @@
     from IPython import InteractiveShell
 
 
-# Jupyter Extension points
-def _jupyter_nbextension_paths():
-    return [
-        {
-            "section": "notebook",
-            # the path is relative to the `my_fancy_module` directory
-            "src": "resources/nbextension",
-            # directory in the `nbextension/` namespace
-            "dest": "ipyflow",
-            # _also_ in the `nbextension/` namespace
-            "require": "ipyflow/index",
-        }
-    ]
-
-
 def _jupyter_server_extension_paths():
     return [{"module": "ipyflow"}]