KVM: arm64: pkvm: Drop AArch32-specific registers

All the SYS_*32_EL2 registers are AArch32-specific. Since we forbid
AArch32, there is no need to handle those in any way.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Fuad Tabba <tabba@google.com>
Tested-by: Fuad Tabba <tabba@google.com>
Link: https://lore.kernel.org/r/20211013120346.2926621-5-maz@kernel.org

arch/arm64/kvm/hyp/nvhe/sys_regs.c

@@ -452,10 +452,6 @@ static const struct sys_reg_desc pvm_sys_reg_descs[] = {
 	HOST_HANDLED(SYS_CNTP_CVAL_EL0),
 
 	/* Performance Monitoring Registers are restricted. */
-
-	HOST_HANDLED(SYS_DACR32_EL2),
-	HOST_HANDLED(SYS_IFSR32_EL2),
-	HOST_HANDLED(SYS_FPEXC32_EL2),
 };
 
 /*