Revert "*: providers and sources -> channels, PolicyModel to PolicyBindingModel that uses custom M2M through"

This reverts commit 7ed3ceb960.

passbook/providers/oauth/apps.py

@@ -0,0 +1,12 @@
+"""passbook auth oauth provider app config"""
+
+from django.apps import AppConfig
+
+
+class PassbookProviderOAuthConfig(AppConfig):
+    """passbook auth oauth provider app config"""
+
+    name = "passbook.providers.oauth"
+    label = "passbook_providers_oauth"
+    verbose_name = "passbook Providers.OAuth"
+    mountpoint = ""