kvm: Select SCHED_INFO instead of TASK_DELAY_ACCT

kvm: Select SCHED_INFO instead of TASK_DELAY_ACCT

AFAICT KVM only relies on SCHED_INFO. Nothing uses the p->delays data
that belongs to TASK_DELAY_ACCT.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Link: https://lkml.kernel.org/r/20210505111525.187225172@infradead.org