Update main.py

main.py

@@ -72,7 +72,6 @@ SOURCE_ASSISTANT_GOOGLE_AI = os.environ["SOURCE_ASSISTANT_GOOGLE_AI"]
 SOURCE_OPENDALLE_URL = os.environ["SOURCE_OPENDALLE_URL"]
 SOURCE_OPENAI_ACCESS_URL = os.environ["SOURCE_OPENAI_ACCESS_URL"]
 DEVELOPER_ID = os.environ["DEVELOPER_ID"]
-BING_IMAGES = os.environ["BING_IMAGES"]
 
 # api keys
 REVERSE_IMAGE_API = os.environ["REVERSE_IMAGE_API"]