Re(move|place) mentions of planb script

.bettercodehub.yml

@@ -7,8 +7,6 @@ languages:
   - name: python
 
     production:
-      include:
-        - /scripts/planb
       exclude:
         - /example_settings.py
         - /test_settings.py

manage

@@ -1,7 +1,6 @@
 #!/bin/sh
-here=$(cd "$(dirname "$0")"; pwd)
 admin=$(which django-admin django-admin.py | head -n1)
 test -z "$admin" && echo "No django-admin found. Missing env?" >&2 && exit 1
 # This manage script is only used in development.
 # If we define DJANGO_SETTINGS_MODULE we do not need a PLANB_ENVFILE.
-DJANGO_SETTINGS_MODULE="${DJANGO_SETTINGS_MODULE:-settings}" exec "$here/scripts/planb" "$@"
+DJANGO_SETTINGS_MODULE="${DJANGO_SETTINGS_MODULE:-settings}" exec python -m planb.main "$@"