Remove database layer

requirements.txt

@@ -1,6 +1,5 @@
 flask==3.1.1
 flask-cors==6.0.1
-flask-sqlalchemy==3.1.1
 flexcache==0.3
 flexparser==0.3.1
 ipykernel==6.29.5
@@ -15,5 +14,4 @@ pydantic-core==2.27.2
 pyproject-toml==0.1.0
 python-dateutil==2.9.0
 setuptools==75.8.2
-sqlalchemy==2.0.41
 pytest

src/harmonization_framework/api/app.py

@@ -1,22 +1,11 @@
-import os
 from flask import Flask
-from harmonization_framework.api.extensions import db, register_extensions
+from harmonization_framework.api.extensions import register_extensions
 from harmonization_framework.api.routes.health import health_blueprint
-from harmonization_framework.api.routes.dictionaries import dictionaries_blueprint
-from harmonization_framework.api.routes.projects import projects_blueprint
-
-basedir = os.getcwd()
-db_path = os.path.join(basedir, "harmonization.db")
 
 def create_app(config_name=None):
     app = Flask(__name__, instance_relative_config=True)
-    app.config["SQLALCHEMY_DATABASE_URI"] = f"sqlite:///{db_path}"
-    app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
-    app.config["UPLOAD_FOLDER"] = "uploads"
 
     register_extensions(app)
 
     app.register_blueprint(health_blueprint, url_prefix="/health")
-    app.register_blueprint(dictionaries_blueprint, url_prefix="/data-dictionaries")
-    app.register_blueprint(projects_blueprint, url_prefix="/projects")
     return app

src/harmonization_framework/api/extensions.py

@@ -1,8 +1,4 @@
 from flask_cors import CORS
-from flask_sqlalchemy import SQLAlchemy
-
-db = SQLAlchemy()
 
 def register_extensions(app):
     CORS(app)
-    db.init_app(app)

src/harmonization_framework/api/harmonization_api_examples.md

@@ -4,12 +4,6 @@ The following is a demo for using `curl` to interact with the Harmonization Fram
 
 > Note: Replace UUIDs with actual values returned by your API where necessary.
 
-## Initialize Database and File Store
-
-```bash
-python scripts/init_db.py
-```
-
 ## Start API
 
 ```bash