removes already copied files if we already copied the trace dumps/whistle files, we can safely remove these files!
removes already copied files
if we already copied the trace dumps/whistle files, we can safely remove these files!

BerlinUnited/NaoTH,BerlinUnited/NaoTH,BerlinUnited/NaoTH,BerlinUnited/NaoTH,BerlinUnited/NaoTH,BerlinUnited/NaoTH,BerlinUnited/NaoTH