HV: remove unused function vcpu_inject_ac

Change-Id: I4b139e78c372d0941923fc8260db7a3578a894f2
Tracked-On: #3123
Signed-off-by: yliu79 <ying2.liu@intel.com>
Reviewed-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>

Author: ying2liu

hypervisor/arch/x86/guest/virq.c

@@ -304,12 +304,6 @@ void vcpu_inject_ud(struct acrn_vcpu *vcpu)
 	(void)vcpu_queue_exception(vcpu, IDT_UD, 0);
 }
 
-/* Inject alignment check exception(#AC) to guest */
-void vcpu_inject_ac(struct acrn_vcpu *vcpu)
-{
-	(void)vcpu_queue_exception(vcpu, IDT_AC, 0);
-}
-
 /* Inject stack fault exception(#SS) to guest */
 void vcpu_inject_ss(struct acrn_vcpu *vcpu)
 {

hypervisor/include/arch/x86/irq.h

@@ -199,17 +199,6 @@ void vcpu_inject_pf(struct acrn_vcpu *vcpu, uint64_t addr, uint32_t err_code);
  */
 void vcpu_inject_ud(struct acrn_vcpu *vcpu);
 
-/**
- * @brief Inject alignment check exeception(AC) to guest.
- *
- * @param[in] vcpu Pointer to vCPU.
- *
- * @return None
- *
- * @pre vcpu != NULL
- */
-void vcpu_inject_ac(struct acrn_vcpu *vcpu);
-
 /**
  * @brief Inject stack fault exeception(SS) to guest.
  *