⚡️ perf(gmail): remove logging message subjects

- remove logging message subjects to improve performance

src/message_list.rs

@@ -142,10 +142,6 @@ impl MessageList for GmailClient {
             }
         }
 
-        if log::max_level() >= log::Level::Info {
-            self.log_message_subjects().await?;
-        }
-
         Ok(())
     }