fix: data logger now called from main, plot in thread

app/views.py

@@ -67,7 +67,6 @@ def logout():
 
 @app.route('/fridges')
 def fridges():
-    plot_log(30, ("static/testdata.csv",))
     return render_template('fridges.html', fridges=settings.fridges, user=get_user_by_name(session.get('name')))