Removed some warnings and output to stdout
Removed some warnings when loading the geometry, are left:
DD4hep WARN ++ STD conditions NOT defined by client. NTP defaults taken.
VP WARN +++ Placing RF box at an ASSUMED position! [not found in XML]
UT WARN +++ The sub volume lvUX851InUT is NOT constructed.
I removed some std::cout from the VP constructor as well
Edited by Ben Couturier