Removing unused function

function depreciated by previous commit

Author: eilidhmacnicol

nirodents/workflows/brainextraction.py

@@ -337,8 +337,3 @@ def res_by_spc(in_file, out_file = None):
 
     nib.save(resampled, out_file)
     return out_file
-
-def _integrate(in_file, out_file = None):
-    import os.path as op     
-    out_file = op.abspath(in_file)
-    return out_file