Less than 24 hours after confirming they’ve managed to secure a future outside of Xbox by going independent, State of Decay 3 studio Undead Labs have announced that they’ve had to lay off “a significant number” of staff as part of that transition. The news follows a second round of mass layoffs this year at the studios still under Microsoft’s thumb. Undead Labs were one of the five studios Microsoft announced plans to split with during an initial round of…