remove configuration duplicated

This settings seems commited twice in the same instant. See below:
http://git.erp5.org/gitweb/slapos.git/commitdiff/91c5be126a31c815407df1b2b2d5507cb6266bdd
http://git.erp5.org/gitweb/slapos.git/commitdiff/93ed854318acd93c1e735094d77a7b4b1c9bf82d

software/erp5testnode/software.cfg

@@ -36,11 +36,6 @@ parts =
   zip
   git
 
-# Separate from site eggs
-allowed-eggs-from-site-packages =
-include-site-packages = false
-exec-sitecustomize = false
-
 # Use only quite well working sites.
 allow-hosts =
   *.nexedi.org