Removed the WebDAV XML API and all relevant servlet bind-points:
- /servlet/webdav.attachments
- /servlet/webdav.calendar
- /servlet/webdav.contacts
- /servlet/webdav.ical
- /servlet/webdav.folders
- /servlet/webdav.freebusy
- /servlet/webdav.groupuser
- /servlet/webdav.tasks
- /servlet/webdav.vcard
- /servlet/webdav.version

Removed the 'webdavxml' attribute from the UserModuleAccess and from the SOAP and RMI APIs