Add split_with_sizes to block list

Summary: Adds split_with_sizes to block list: https://fb.workplace.com/groups/pytorch.edge.users/permalink/1744906259712993/

Differential Revision: D73129825

Author: metascroy

exir/program/_program.py

@@ -1027,6 +1027,7 @@ def keep(op):
             torch.ops.aten.item.default,
             torch.ops.aten._local_scalar_dense.default,
             torch.ops.aten.unbind.int,
+            torch.ops.aten.split_with_sizes.default,
         ]:
             logging.warn(
                 f"Op {op} was requested for preservation by partitioner.  This request is ignored because it is in a blocklist."