Cleanup joomla software

software/joomla/software.cfg

 [buildout]
-versions = versions
-
-
-  
 extends =
   ../../stack/lamp/buildout.cfg
-  ../../stack/shacache-client.cfg
 
 [application]
 recipe = slapos.recipe.build:download-unpacked
@@ -24,15 +19,3 @@ location = ${buildout:parts-directory}/${:_buildout_section_name_}
  
 [application-configuration]
 location = installation/models/forms/database.xml
-
-[downloadcache-workaround]
-# workaround irritating problem of hexagonit.recipe.cmmi which automatically
-# creates download cache, which in turn switches builout to "semi-offline" mode
-recipe = plone.recipe.command
-# in hexagonit.recipe.cmmi if there is no ${buildout:download-cache} set it resolves
-# to ${buildout:directory}/downloads but this variable is available late, that's
-# why it is hardcoded only for required case
-download-cache = ${buildout:directory}/downloads
-command = [ -d ${:download-cache} ] && rm -fr ${:download-cache}/* || exit 0
-update-command = ${:command}
-stop-on-error = True