qca-wifi: Block stop request till restart response is received

Currently, for restart response cases, if Restart is not in progress and if
stop is issued, VDEV SM is allowing Stop request to send to FW.

This fix would prevent such cases.

Change-Id: I0d4d74c5eb2a9c9bbb588f7114fbbd5611c37cd5
CRs-Fixed: 2400987

umac/mlme/vdev_mgr/core/src/vdev_mlme_sm_actions.c

@@ -224,8 +224,6 @@ static QDF_STATUS mlme_stop_pending_restart(struct wlan_objmgr_pdev *pdev,
 			wlan_pdev_mlme_op_clear(pdev,
 						WLAN_PDEV_OP_MBSSID_RESTART);
 		}
-	} else {
-		status = QDF_STATUS_SUCCESS;
 	}
 	qdf_spin_unlock_bh(&pdev_mlme->vdev_restart_lock);