Add message delete route.

src/routes/channels/message_edit.rs

@@ -2,7 +2,7 @@ use crate::database::*;
 use crate::util::result::{Error, Result};
 
 use chrono::Utc;
-use mongodb::bson::{Bson, DateTime, doc};
+use mongodb::bson::{doc, Bson, DateTime};
 use rocket_contrib::json::Json;
 use serde::{Deserialize, Serialize};
 use validator::Validate;