cargo clippy 👍

src/main.rs

@@ -139,11 +139,9 @@ fn extract_img_url(html: &str) -> Result<String, &'static str> {
             .find(html)
     {
         Ok(img_url.as_str().to_string())
-    } else {
-        if html.contains("503 Rate limiting") {
+    } else if html.contains("503 Rate limiting") {
         Err("ratelimited")
     } else {
         Ok(String::new())
     }
 }
-}