Remove mentions of dogs in flask-openai readme

Author: bitterpanda63

sample-apps/flask-openai/README.md

@@ -9,7 +9,3 @@ make runZenDisabled # Runs app with zen disabled.
 ```
 
 - You'll be able to access the Flask Server at : [localhost:8108](http://localhost:8090)
-- To Create a reference test dog use `http://localhost:8108/create/`
-- To Create a reference test dog (with executemany) use `http://localhost:8108/create_many/`
-
-- To test a sql injection enter the following dog name : `Malicious dog', TRUE); -- `