code: public String deleteTempate(String template) throws ElasticSearchException {
  		try{
  			return client.executeHttp("/_template/"+template,ClientUtil.HTTP_DELETE);
  		}
  		catch(ElasticSearchException e){
  			return ResultUtil.hand404HttpRuntimeException(e,String.class,ResultUtil.OPERTYPE_deleteTempate);
  		}
  	}
docs: 删除模板
  @param template
  @return
  @throws ElasticSearchException