Remove deprecated signal argument (#165)
Remove deprecated signal argument (#165)

* Remove signal's providing_args deprecated argument
* Update docs for signal

In PR #165

Co-authored-by: Andrew Chen Wang <4a7a0bc5eb48361f9714c93d07a5ac61f7d61781@users.noreply.github.com>
BertrandBordage/django-cachalot,BertrandBordage/django-cachalot