crypto: cavium - remove dead MSI-X related define

#define CPT_81XX_PCI_VF_DEVICE_ID 0xa041

/* flags to indicate the features supported */

#define CPT_FLAG_MSIX_ENABLED BIT(0)

#define CPT_FLAG_SRIOV_ENABLED BIT(1)

#define CPT_FLAG_VF_DRIVER BIT(2)

#define CPT_FLAG_DEVICE_READY BIT(3)

#define cpt_msix_enabled(cpt) ((cpt)->flags & CPT_FLAG_MSIX_ENABLED)

#define cpt_sriov_enabled(cpt) ((cpt)->flags & CPT_FLAG_SRIOV_ENABLED)

#define cpt_vf_driver(cpt) ((cpt)->flags & CPT_FLAG_VF_DRIVER)

#define cpt_device_ready(cpt) ((cpt)->flags & CPT_FLAG_DEVICE_READY)