fixing duplicate setting of GT

Author: lathomas

Configuration/PyReleaseValidation/python/relval_nano.py

@@ -177,7 +177,6 @@ def subnext(self):
                                    steps['NANO_data13.0']])
 
 steps['l1DPGNANO_data13.0']=merge([{'-s' : 'RAW2DIGI,NANO:@L1DPG',
-                                    '--conditions':'auto:run3_data',
                                     '-n' : '100'},
                                    steps['NANO_data13.0']])