Merge pull request #40 from tahoe-lafs/have-less-old-software

Keep less old software around

Author: hacklschorsch

testgrid.tahoe-lafs.org/system-configuration.nix

@@ -29,7 +29,7 @@
     automatic = true;
     dates = "weekly";
     randomizedDelaySec = "45min";
-    options = "--delete-older-than 14d";
+    options = "--delete-older-than 7d";
   };
 
   # List packages installed in system profile. To search, run: