cleanup: remove unnecessary logs/imports (#486)

Author: badmonster0

examples/amazon_s3_text_embedding/main.py

@@ -1,6 +1,5 @@
 from dotenv import load_dotenv
 
-import asyncio
 import cocoindex
 import datetime
 import os

examples/gdrive_text_embedding/main.py

@@ -1,6 +1,5 @@
 from dotenv import load_dotenv
 
-import asyncio
 import cocoindex
 import datetime
 import os

src/ops/sources/amazon_s3.rs

@@ -25,7 +25,6 @@ struct SqsContext {
 
 impl SqsContext {
     async fn delete_message(&self, receipt_handle: String) -> Result<()> {
-        error!("Deleting message: {}", receipt_handle);
         self.client
             .delete_message()
             .queue_url(&self.queue_url)