Microsoft is reportedly planning major layoffs at its Xbox division next month–a move that comes shortly after new Xbox CEO Asha Sharma admitted its business “isn’t particularly healthy.” According to sources speaking to Bloomberg, the layoffs will come sometime after June 30, which is when Microsoft’s fiscal year ends. In an email sent to employees on Wednesday, Sharma emphasized that annual revenue had declined “nearly half a billion” over the last five years despite more than $20 million in investments…