staging: vt6655: dead code remove ndis and pmkid strutures.

struct pmkid_candidate
typedef struct _BSSID_INFO
typedef struct tagSPMKID
typedef struct tagSPMKIDCandidateEvent
NDIS_802_11_MAC_ADDRESS
typedef struct _NDIS_802_11_AI_REQFI
typedef struct _NDIS_802_11_AI_RESFI
typedef struct _NDIS_802_11_ASSOCIATION_INFORMATION
typedef struct tagSAssocInfo

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>