Remove some debug printing code.
Remove some debug printing code.

deerwalk/voltdb,deerwalk/voltdb,VoltDB/voltdb,migue/voltdb,VoltDB/voltdb,deerwalk/voltdb,migue/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,simonzhangsm/voltdb,migue/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,migue/voltdb,deerwalk/voltdb,migue/voltdb,deerwalk/voltdb,deerwalk/voltdb,VoltDB/voltdb,simonzhangsm/voltdb,migue/voltdb,VoltDB/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,migue/voltdb,VoltDB/voltdb,simonzhangsm/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,migue/voltdb,VoltDB/voltdb