remove testing trace

Author: oesteban

nipype/interfaces/fsl/preprocess.py

@@ -1621,9 +1621,4 @@ def _gen_mesh_names(self, name, structures):
                 bvar = prefix + '-' + struct + '_first.bvars'
                 bvars.append(op.abspath(bvar))
             return bvars
-        return None
-
-    @property
-    def cmdline(self):
-        print self._gen_fname('original_segmentations')
-        return super(FIRST, self).cmdline
+        return None