Remove subject_id input per code review

Co-authored-by: Ghislain Vaillant <[email protected]>

Author: l-espana

nipype/interfaces/freesurfer/longitudinal.py

@@ -256,7 +256,6 @@ def _list_outputs(self):
 
 
 class BaseReconAllInputSpec(ReconAllInputSpec):
-    subject_id = traits.Str(argstr="-subjid %s", desc="subject name")
     base_id = traits.Str(argstr="-base %s", desc="base template name", xor=["subject_id"])
     timepoints = InputMultiObject(
         traits.Str(), argstr="-tp %s...", desc="processed time point to use in template"
@@ -352,7 +351,6 @@ def cmdline(self):
 
 
 class LongReconAllInputSpec(ReconAllInputSpec):
-    subject_id = traits.Str(argstr="-subjid %s", desc="subject name")
     long_id = traits.Str(
         argstr="-long %s",
         desc="longitudinal session/timepoint id",