[IMP]mass_editing:Improved the code.

mass_editing/wizard/mass_editing_wizard.py

@@ -459,7 +459,6 @@ class MassEditingWizard(models.TransientModel):
                             values.update({split_key: m2m_list})
                         else:
                             values.update({split_key: [(5, 0, [])]})
-                            
                     elif val == 'remove_o2m':
                         # model_fieds will return the particular model
                         # in order to get the field of the model