KVM: selftests: Remove vcpu_get_fd()

Drop vcpu_get_fd(), it no longer has any users, and really should not
exist as the framework has failed if tests need to manually operate on
a vCPU fd.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

tools/testing/selftests/kvm/include/kvm_util_base.h

@@ -214,7 +214,6 @@ static inline int __vcpu_run(struct kvm_vm *vm, uint32_t vcpuid)
 	return __vcpu_ioctl(vm, vcpuid, KVM_RUN, NULL);
 }
 
-int vcpu_get_fd(struct kvm_vm *vm, uint32_t vcpuid);
 void vcpu_run_complete_io(struct kvm_vm *vm, uint32_t vcpuid);
 struct kvm_reg_list *vcpu_get_reg_list(struct kvm_vm *vm, uint32_t vcpuid);
 

tools/testing/selftests/kvm/lib/kvm_util.c

@@ -1608,15 +1608,6 @@ int _vcpu_run(struct kvm_vm *vm, uint32_t vcpuid)
 	return rc;
 }
 
-int vcpu_get_fd(struct kvm_vm *vm, uint32_t vcpuid)
-{
-	struct vcpu *vcpu = vcpu_find(vm, vcpuid);
-
-	TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
-
-	return vcpu->fd;
-}
-
 void vcpu_run_complete_io(struct kvm_vm *vm, uint32_t vcpuid)
 {
 	struct vcpu *vcpu = vcpu_find(vm, vcpuid);