Update bitsandbytes/research/autograd/_functions.py

Co-authored-by: Aarni Koskela <[email protected]>

Author: matthewdouglas

bitsandbytes/research/autograd/_functions.py

@@ -184,8 +184,6 @@ def backward(ctx, grad_output):
 
 class SwitchBackBnb(torch.autograd.Function):
     @staticmethod
-    # TODO: the B008 on the line below is a likely bug; the current implementation will
-    #       have each SwitchBackBnb instance share a single MatmulLtState instance!!!
     def forward(ctx, A, B, out=None, bias=None, state: Optional[MatmulLtState] = None):
         state = state or MatmulLtState()