Update simple extension examples: _jupyter_server_extension_points (#1426)

Author: manics

examples/simple/README.md

@@ -187,8 +187,6 @@ open http://localhost:8888/
 # TODO Fix Default URL, it does not show on startup.
 # Home page as defined by default_url = '/default'.
 open http://localhost:8888/simple_ext11/default
-# HTML static page.
-open http://localhost:8888/static/simple_ext11/test.html
 # Content from Handlers.
 open http://localhost:8888/simple_ext11/params/test?var1=foo
 # Content from Template.

examples/simple/simple_ext1/__init__.py

@@ -1,5 +1,5 @@
 from .application import SimpleApp1
 
 
-def _jupyter_server_extension_paths():
+def _jupyter_server_extension_points():
     return [{"module": "simple_ext1.application", "app": SimpleApp1}]

examples/simple/simple_ext11/__init__.py

@@ -3,5 +3,5 @@
 from .application import SimpleApp11
 
 
-def _jupyter_server_extension_paths():
+def _jupyter_server_extension_points():
     return [{"module": "simple_ext11.application", "app": SimpleApp11}]

examples/simple/simple_ext2/__init__.py

@@ -3,7 +3,7 @@
 from .application import SimpleApp2
 
 
-def _jupyter_server_extension_paths():
+def _jupyter_server_extension_points():
     return [
         {"module": "simple_ext2.application", "app": SimpleApp2},
     ]