Cleanup of multiple usage of "SimDataFormats/PileupSummaryInfo" in "non-export" section in BuildFile.xml.

Signed-off-by: Salvatore Di Guida <salvatore.di.guida@cern.ch>
Merge pull request #1875 from diguida/fix-BuildFile-Validation_RecoVertex

DQM fixes -- Fix Validation/RecoVertex BuildFile