KVM: arm64: Fix repeated words in comments

Delete the redundant word 'to'.

Signed-off-by: Jingyu Wang <jingyuwang_vip@163.com>
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230309075919.169518-1-jingyuwang_vip@163.com