Revert "Override _recursiveUpdateRoleMappings function of WorkflowTool of CMFCore. This so we can prevent it from updating the metadata which slows down the process considerably and is unneeded"

This reverts commit 0d20a96901cdb0d6c8a93f8b64b6926e40b416ac.

This commit broke the 4.3 build: http://jenkins.plone.org/job/plone-4.3-python-2.7/2119/

Conflicts:
	Products/CMFPlone/WorkflowTool.py