Remove duplicate argument

Author: effigies

nipype/interfaces/afni/preprocess.py

@@ -2678,7 +2678,6 @@ class NetCorrInputSpec(AFNICommandInputSpec):
     out_file = File(
         desc="output file name part",
         name_template="%s_netcorr",
-        desc="output file name part",
         argstr="-prefix %s",
         position=1,
         name_source="in_file",