Remove unused positional argument to hide_toolbar()
Remove unused positional argument to hide_toolbar()

hide_toolbar() does not take any arguments since
6d16e0886833dfe4b0e39b3c70e948befaa071a5.

jazzband/django-debug-toolbar,jazzband/django-debug-toolbar,tim-schilling/django-debug-toolbar,spookylukey/django-debug-toolbar,django-debug-toolbar/django-debug-toolbar,spookylukey/django-debug-toolbar,spookylukey/django-debug-toolbar,django-debug-toolbar/django-debug-toolbar,jazzband/django-debug-toolbar,tim-schilling/django-debug-toolbar,tim-schilling/django-debug-toolbar,django-debug-toolbar/django-debug-toolbar