KVM: x86: Remove some unused declarations

Commit 238adc77 ("KVM: Cleanup LAPIC interface") removed
kvm_lapic_get_base() but leave declaration.

And other two declarations were never implenmented since introduction.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20240830022537.2403873-1-yuehaibing@huawei.comSigned-off-by: Sean Christopherson <seanjc@google.com>

arch/x86/kvm/lapic.h

@@ -96,7 +96,6 @@ u64 kvm_lapic_get_cr8(struct kvm_vcpu *vcpu);
 void kvm_lapic_set_tpr(struct kvm_vcpu *vcpu, unsigned long cr8);
 void kvm_lapic_set_eoi(struct kvm_vcpu *vcpu);
 void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value);
-u64 kvm_lapic_get_base(struct kvm_vcpu *vcpu);
 void kvm_recalculate_apic_map(struct kvm *kvm);
 void kvm_apic_set_version(struct kvm_vcpu *vcpu);
 void kvm_apic_after_set_mcg_cap(struct kvm_vcpu *vcpu);

arch/x86/kvm/mmu.h

@@ -223,8 +223,6 @@ static inline u8 permission_fault(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
 
 bool kvm_mmu_may_ignore_guest_pat(void);
 
-int kvm_arch_write_log_dirty(struct kvm_vcpu *vcpu);
-
 int kvm_mmu_post_init_vm(struct kvm *kvm);
 void kvm_mmu_pre_destroy_vm(struct kvm *kvm);
 

arch/x86/kvm/mmu/mmu_internal.h

@@ -349,8 +349,6 @@ int kvm_mmu_max_mapping_level(struct kvm *kvm,
 void kvm_mmu_hugepage_adjust(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault);
 void disallowed_hugepage_adjust(struct kvm_page_fault *fault, u64 spte, int cur_level);
 
-void *mmu_memory_cache_alloc(struct kvm_mmu_memory_cache *mc);
-
 void track_possible_nx_huge_page(struct kvm *kvm, struct kvm_mmu_page *sp);
 void untrack_possible_nx_huge_page(struct kvm *kvm, struct kvm_mmu_page *sp);