remove change

fortuna/src/config.rs

@@ -117,7 +117,7 @@ impl Config {
     pub fn get_chain_config(&self, chain_id: &ChainId) -> Result<EthereumConfig> {
         self.chains
             .get(chain_id)
-            .map(|x: &EthereumConfig| x.clone())
+            .map(|x| x.clone())
             .ok_or(anyhow!("Could not find chain id {} in the configuration", &chain_id).into())
     }