Minimize warnin's

src/api.rs

@@ -18,8 +18,6 @@ use {
 	std::sync::Arc,
 };
 
-type Res<T, E> = std::result::Result<T, E>;
-type Result<T> = std::result::Result<T, Box<dyn std::error::Error + Send + Sync>>;
 type DBPool = Arc<Pool<ConnectionMgrTcp>>;