https://wccftech.com/destiny-2-content-removed-vault-beyond-light-november/

Earlier this summer, Bungie announced they’d be taking a page from the Disney playbook and locking some of their older content away in the Destiny Content Vault when the big Destiny 2 Beyond Light expansion launches in November. Needless to say, some fans were upset about this, as removing content isn’t something most MMOs do, and it turns out the concern was warranted, as a lot of stuff is going into the Vault this November. All but two of Destiny 2’s raids, about a third of the game's Strikes and Crucible maps, and more will be gone. Basically, everything related to Io, the Titan, Mars, Mercury, and Leviathan destinations is getting the proverbial boot.

Here’s a full rundown of all the content entering the DCV when Beyond Light launches: