get rid of some warnings

src/templates/html.rs

@@ -1,4 +1,3 @@
-use std::error::Error;
 use super::util::{parse_email, xml_safe as x};
 use crate::models::*;
 use crate::templates::PAGE_SIZE;

src/templates/xml.rs

@@ -1,11 +1,7 @@
 use std::fs;
-use mail_parser::PartType::Html;
 use mailparse::parse_mail;
 use super::util::{parse_email, xml_safe as x};
 use crate::models::*;
-use crate::util::unformat_flowed;
-// use crate::templates::util::xml_safe;
-// use anyhow::{Context, Result};
 use scraper::{Html as scraper_html, Selector};
 
 fn feed(