update db settings in demo project

Author: jdwpeterson

demos/dashboard/demo/settings.py

@@ -295,13 +295,6 @@ def MIDDLEWARE(self):
         MIDDLEWARE.append("silk.middleware.SilkyMiddleware")
         return MIDDLEWARE
 
-    DATABASES = {
-        "default": {
-            "ENGINE": "django.db.backends.sqlite3",
-            "NAME": BASE_DIR / "db.sqlite3",
-        }
-    }
-
 
 class DevDocker(RedisCache, Dev):
     """