[INTERNAL] disabled need-base feature

This feature will be removed. This patch also removes the
GUI options to access the feature.

Change-Id: If3f9ff69ea18e247397fbf80cbb1d80a7cc39c3a
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/1408
Tested-by: Jenkins CI
Reviewed-by: Stefan Rossbach <srossbach@arcor.de>