minor

modules/deeplearning/icing_cnn.py

 import tensorflow as tf
 from util.setup import logdir, modeldir, cachepath, now, ancillary_path
-from util.util import homedir, EarlyStop, normalize, make_for_full_domain_predict
+from util.util import EarlyStop, normalize, make_for_full_domain_predict
 from util.geos_nav import get_navigation
 
 import os, datetime