code: def _remove_long_fields(self, wk_raw_data):
          
  
          match_str_list = ["rtc_cm:com.ibm.",
                            "calm:"]
          for key in wk_raw_data.keys():
              for match_str in match_str_list:
                  if key.startswith(match_str):
                      try:
                          wk_raw_data.pop(key)
                          self.log.debug("Successfully remove field [%s] from "
                                         "the template", key)
                      except:
                          self.log.warning("Cannot remove field [%s] from the "
                                           "template", key)
                      continue
docs: Remove long fields: These fields are can only customized after
          the workitems are created