[CLN] website_blog: remove dead controllers for posting and discussion management
[CLN] website_blog: remove dead controllers for posting and discussion management

It probably comes from old medium-like-stuff comment management that has
been removed since. Discussion on blog posts is now a simple chatter
and does not require all those controllers.

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo