Revert "increase slapos.libnetworkcache version, because slapos.recipe.build...

Revert "increase slapos.libnetworkcache version, because slapos.recipe.build needs a recent version"

This reverts commit 51fb8ca1.

software/erp5testnode/software.cfg

@@ -219,7 +219,7 @@ lxml = 2.3.2
 meld3 = 0.6.7
 slapos.cookbook = 0.38
 slapos.core = 0.21
-slapos.libnetworkcache = 0.13.3
+slapos.libnetworkcache = 0.11
 slapos.recipe.template = 2.2
 
 # Required by: