SLING-3907 - Temporarily remove oak bundles from the launchpad

- removed all oak bundles from the launchpad
- removed the 'jackrabbit' runMode from various bundles, since there's
  no need to have a single mandatory runMode

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1628432 13f79535-47bb-0310-9956-ffa450edef68