kvm: x86: remove unnecessary recalculate_apic_map

In the previous code, the variable apic_sw_disabled influences
recalculate_apic_map. But in "KVM: x86: simplify kvm_apic_map"
(commit: 3b5a5ffa),
the access to apic_sw_disabled in recalculate_apic_map has been
deleted.
Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/lapic.c

@@ -251,10 +251,9 @@ static inline void apic_set_spiv(struct kvm_lapic *apic, u32 val)
 
 	if (enabled != apic->sw_enabled) {
 		apic->sw_enabled = enabled;
-		if (enabled) {
+		if (enabled)
 			static_key_slow_dec_deferred(&apic_sw_disabled);
-			recalculate_apic_map(apic->vcpu->kvm);
-		} else
+		else
 			static_key_slow_inc(&apic_sw_disabled.key);
 	}
 }