don't print raw API response after updating book progress

Author: thundergolfer-two

src/api_client.rs

@@ -181,8 +181,8 @@ impl GoodreadsApiClient {
         );
 
         match res {
-            Ok(mut resp) => {
-                println!("Updated: {}", resp.text().unwrap());
+            Ok(mut _resp) => {
+//                println!("Updated: {}", resp.text().unwrap());
                 Ok(())
             }
             Err(err) => Err(format!("Request failed: {}", err)),