KVM: SVM: Remove an unnecessary forward declaration

Drop a defunct forward declaration of svm_complete_interrupts().

No functional change intended.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210205005750.3841462-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/svm/svm.c

@@ -205,8 +205,6 @@ bool svm_gp_erratum_intercept = true;
 
 static u8 rsm_ins_bytes[] = "\x0f\xaa";
 
-static void svm_complete_interrupts(struct vcpu_svm *svm);
-
 static unsigned long iopm_base;
 
 struct kvm_ldttss_desc {