While there's no centralized method of tracking all of the deleted mods, this Google Docs file tracks some of the Fallout 4 ones that are no longer accessible. These include the creations of Kingdom Come Deliverance modder's WileCoyote68, Falllout 4 modder OldSalt圜roc, and others across various modding communities.
The debate regarding Nexus Mods restricting creators from deleting their mods continues to rage on but one clear effect of the policy change is that multiple files are no longer accessible to users. This change therefore addresses both technical problems laid out above, while leaving mod authors with the ability to remove files from view into a 'file archive' that serves as a point of reference.' 'What this means is that when an author archives a file, for most intents and purposes, it is now gone and removed from the files tab, but it can still be downloaded via a collection and the metadata (information) about the file is still in the database.
via the API,' reads the long post announcing the policy change. 'Instead of permanently removing a file, mod authors can now choose to archive it which will move it into a file archive and make it impossible to download directly unless specifically requested e.g.