fixup! nodejs: remove unused versions

This reverts commit fb3ee44e
partially, for dream.

component/nodejs/buildout.cfg

@@ -27,6 +27,12 @@ version = v12.18.3
 md5sum = 28bf6a4d98b238403fa58a0805f4a979
 PATH = ${pkgconfig:location}/bin:${python2.7:location}/bin:%(PATH)s
 
+[nodejs-8.9.4]
+<= nodejs-base
+version = v8.9.4
+md5sum = 4ddc1daff327d7e6f63da57fdfc24f55
+PATH = ${pkgconfig:location}/bin:${python2.7:location}/bin:%(PATH)s
+
 [nodejs-8.6.0]
 <= nodejs-base
 version = v8.6.0

software/dream/software.cfg

@@ -29,10 +29,16 @@ script = dream_testrunner
 initialization =
   ${manpy:initialization}
 
+[nodejs]
+<= nodejs-8.9.4
+
 [npm_install]
 recipe = plone.recipe.command
 stop-on-error = true
-command = cd ${dream-repository.git:location} && PATH=${git:location}/bin/:${nodejs:location}/bin/:$PATH ${nodejs:location}/bin/npm install .
+command =
+  cd ${dream-repository.git:location}
+  PATH=${git:location}/bin:${nodejs:location}/bin:$PATH
+  npm install .
 update_command = ${:command}
 
 [versions]