docs: update readme

README.md

@@ -40,21 +40,6 @@ pip install -r requirements.txt
 flask run
 ```
 
-### 4. Setting up Firebase Project
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-This backend uses Cloud Firestore as database. You will have to create a Firebase project and enable Cloud Firestore if you still want to use this configuration. 
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-After having it created you will need to generate a service account json key. Save it in the **root** of the project with the name **serviceAccountKey.json**
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-
-### 5. Deploy to Heroku
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-This project has been configured to be deployed in production on Heroku. If you want to deploy it there, you will need to first create a project and link it to the code.
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-### 6. GitHub CI/CD
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-CI/CD from the github actions workflows is implmented for deploy on heroku. If you want to use the workflow for repository you can edit *.github/workflows/main.yml* file with your settings.
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 ## 🧑‍🤝‍🧑 Contributing
 
 Anyone is free to contribute to this project. Just do a pull request with your code and if it is all good we will accept it. You can also help us look for bugs, if you find anything create and issue.