Removed cct dependency from xml_to_nc.py
Removed cct dependency from xml_to_nc.py

CWSL/cwsl-ctools,CWSL/cwsl-ctools,ccarouge/cwsl-ctools,ccarouge/cwsl-ctools,CWSL/cwsl-ctools,paolap/cwsl-ctools,paolap/cwsl-ctools