Remove long fields: These fields are can only customized after
        the workitems are created

def _remove_long_fields(self, wk_raw_data):
        """Remove long fields: These fields are can only customized after
        the workitems are created

        """

        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