manage: remove dead sys.path manipulations

authentic2-ctl

@@ -1,9 +1,6 @@
 #!/usr/bin/env python
 import os, sys
 
-sys.path.append(os.path.dirname(__file__))
-sys.path.append(os.path.join(os.path.dirname(__file__), 'authentic2', 'vendor'))
-
 if __name__ == "__main__":
     os.environ.setdefault("DJANGO_SETTINGS_MODULE", "authentic2.settings")
     os.environ.setdefault('DEBUG', '1')