KVM: arm64: Remove VPIPT I-cache handling

We have some special handling for VPIPT I-cache in critical parts
of the cache and TLB maintenance. Remove it.

Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20231204143606.1806432-2-maz@kernel.org


Signed-off-by: Will Deacon <will@kernel.org>