Remove remaining python2 references (#179)

Author: digitalsleuth

sift/include-server.sls

@@ -1,7 +1,6 @@
 include:
   - sift.repos
   - sift.python3-packages
-  - sift.python-packages
   - sift.packages
   - sift.scripts
 
@@ -11,6 +10,5 @@ sift-server-include:
     - require:
       - sls: sift.repos
       - sls: sift.python3-packages
-      - sls: sift.python-packages
       - sls: sift.packages
       - sls: sift.scripts