fix environment variables for automatic donor import

roles/archweb/templates/donor_import_wrapper.sh.j2

 #!/bin/bash
 
-sudo -u archweb /usr/bin/env PW_PYTHON={{ archweb_dir }}/env/bin/python {{ archweb_dir }}/manage.py donor_import
+sudo -u archweb {{ archweb_dir }}/env/bin/python {{ archweb_dir }}/manage.py donor_import

roles/archweb/templates/sudoers-fetchmail-archweb.j2

-fetchmail ALL=(archweb) NOPASSWD: /usr/bin/env PW_PYTHON={{ archweb_dir }}/env/bin/python {{ archweb_dir }}/manage.py donor_import
+fetchmail ALL=(archweb) NOPASSWD: {{ archweb_dir }}/env/bin/python {{ archweb_dir }}/manage.py donor_import