KVM: x86: svm: remove redundant assignment of var new_entry

new_entry is reassigned a new value next line. So
it's redundant and remove it.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/svm.c

@@ -1714,7 +1714,6 @@ static int avic_init_backing_page(struct kvm_vcpu *vcpu)
 	if (!entry)
 		return -EINVAL;
 
-	new_entry = READ_ONCE(*entry);
 	new_entry = __sme_set((page_to_phys(svm->avic_backing_page) &
 			      AVIC_PHYSICAL_ID_ENTRY_BACKING_PAGE_MASK) |
 			      AVIC_PHYSICAL_ID_ENTRY_VALID_MASK);