[INTERNAL] removed libraries needed for ScreenSharing and VOIP

Change-Id: I4ad367293f0a486ac117b8f4c4e08fe350bc31ae
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/1343
Tested-by: Jenkins CI
Reviewed-by: Stefan Rossbach <srossbach@arcor.de>