Remove broken package-docs part, remove hardcoded download-cache.

buildout.cfg

@@ -5,12 +5,10 @@ extends =
 parts =
     test-ztk
     sphinx
-#   package-docs
     generate-releases
     ztk-docs
     checkversions
 
-download-cache = download-cache
 extensions = mr.developer
 
 allow-picked-versions = false
@@ -30,22 +28,6 @@ eggs =
     ${ztk:packages}
 interpreter = sphinx-py
 
-[package-docs]
-recipe = collective.recipe.cmd
-on_install = true
-on_update = true
-cmds =
-    zpkgs="${ztk:packages}"
-    for zpkg in $zpkgs; do
-        where="${buildout:directory}/src/$zpkg"
-        if [ -e $where/docs ]; then
-            echo $zpkg
-            ${buildout:directory}/bin/sphinx-build -q \
-                -b html -d $where/docs/_build/doctrees \
-                $where/docs $where/docs/_build/html
-        fi
-    done
-
 [generate-releases]
 recipe = collective.recipe.cmd
 on_install = true