Remove request inspection from key generation step
Remove request inspection from key generation step

This is now taken care of in ``get_cache_key_kwargs()`` and can be
overridden if required.

pivotal-energy-solutions/django-datatable-view,doganmeh/django-datatable-view,pivotal-energy-solutions/django-datatable-view,doganmeh/django-datatable-view,pivotal-energy-solutions/django-datatable-view,doganmeh/django-datatable-view