[INTERNAL] removed explicit Eclipse IProgressMonitor reference from OSN

Change-Id: I6e40b35caf702bbf6065dac7b898262f0e0f4915
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/1647
Tested-by: Jenkins CI
Reviewed-by: Stefan Rossbach <srossbach@arcor.de>