An obsolete push notification preview component has been removed from the Social Push Notifications module. This cleanup reduces unused code and maintenance overhead without changing the user experience.

Unused since 15.0 at https://github.com/odoo/enterprise/commit/0f5a894488ed139c884dae0149c42f7a026b15e8#diff-165ba0e38a477640dc2e7353da9c1d325b8a5be5d5ae5c60ca73f2d84d66d097L10