do not rely on pkg_resources to get loaded (#48759)

README

@@ -7,6 +7,8 @@ at least specific to the GNM project.
 Settings
 --------
 
+The application authentic2_gnm should be put in INSTALLED_APPS.
+
 CUT_API_BASE_URL
   https://admin-cut-rec.grandlyon.com/api/
 

debian/50gnm.py

@@ -13,3 +13,6 @@ SESSION_COOKIE_AGE = 3600 * 24 * 30
 
 # allow cart@ds technical roles to be provisionned
 HOBO_PROVISION_ROLE_PREFIXES = ['_cartads_']
+
+if 'authentic2_gnm' not in INSTALLED_APPS:
+    INSTALLED_APPS += ('authentic2_gnm',)

setup.py

@@ -61,11 +61,6 @@ setup(
     install_requires=[
         'authentic2',
     ],
-    entry_points={
-        'authentic2.plugin': [
-            'authentic2-gnm = authentic2_gnm:Plugin',
-        ],
-    },
     cmdclass={
         'sdist': eo_sdist},
     zip_safe=False,

src/authentic2_gnm/__init__.py

@@ -37,8 +37,3 @@ class AppConfig(django.apps.AppConfig):
         return False
 
 default_app_config = 'authentic2_gnm.AppConfig'
-
-
-class Plugin(object):
-    def get_apps(self):
-        return [__name__]