Remove unused argument.

accountant/frontend/__init__.py

@@ -23,7 +23,6 @@ assets.register('frontend_js', frontend_js)
 assets.register('frontend_css', frontend_css)
 
 
-@blueprint.route('/', defaults={'path': 'accounts'})
-@blueprint.route('/<path:path>')
-def index(path):
+@blueprint.route('/')
+def index():
     return blueprint.send_static_file('index.html')