GTA 6 preorders open up on June 25, and ahead of that date, developer Rockstar Games has confirmed one vital detail about the “physical” edition of its open-world adventure: it doesn’t exist in a technical sense. Instead, GTA 6 will include a download code inside the box. This means that the game will technically be sold physically, something that Take-Two Interactive CEO Strauss Zelnick spoke about earlier this year. There is a benefit to this, as having the game teed…