Separate clock handler

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

src/utils/cleanup.rs

@@ -3,7 +3,6 @@ use clickhouse::Client;
 
 pub async fn cleanup(clickhouse_client: &Client) {
     let assets = database::assets::select(clickhouse_client).await;
-
     let symbols = assets
         .iter()
         .map(|asset| asset.symbol.clone())