Revert "use erp5-component branch for slapos.cookbook-repository in erp5-component branch."

This reverts commit a26dcf05.

software/erp5/software.cfg

@@ -28,7 +28,7 @@ unzip = true
 [slapos.cookbook-repository]
 recipe = plone.recipe.command
 stop-on-error = true
-branch = erp5-component
+branch = erp5
 revision =
 location = ${buildout:parts-directory}/${:_buildout_section_name_}
 command = "${git:location}/bin/git" clone --branch "${:branch}" --quiet http://git.erp5.org/repos/slapos.git "${:location}" && if [ -n "${:revision}" ]; then cd "${:location}" && "${git:location}/bin/git" reset --quiet --hard "${:revision}" ; fi