Deleted old backend

drip-backend-master/.gitignore

drip-backend-master/README.md

drip-backend-master/app/Dockerfile

drip-backend-master/app/app.py

drip-backend-master/app/cert.pem

drip-backend-master/app/created_requests.py

drip-backend-master/app/key.pem

drip-backend-master/app/requirements.txt

drip-backend-master/db/init.sql

drip-backend-master/docker-compose.yml

drip-backend-master/requirements.txt

drip-backend-master/run.py