overhault to fix warnings etc

src/providers/pornzog.rs

@@ -1,12 +1,12 @@
 use crate::DbPool;
 use crate::providers::Provider;
 use crate::util::cache::VideoCache;
-use crate::util::parse_abbreviated_number;
 use crate::util::time::parse_time_to_seconds;
 use crate::videos::{ServerOptions, VideoItem};
 use error_chain::error_chain;
 use htmlentity::entity::{ICodedDataTrait, decode};
 use std::vec;
+use async_trait::async_trait;
 
 error_chain! {
     foreign_links {
@@ -156,6 +156,7 @@ impl PornzogProvider {
     }
 }
 
+#[async_trait]
 impl Provider for PornzogProvider {
     async fn get_videos(
         &self,