Merge "Remove unused data structure stack::include::sdp_api"

typedef void(tSDP_DISC_CMPL_CB)(tSDP_RESULT result);

typedef void(tSDP_DISC_CMPL_CB2)(tSDP_RESULT result, const void* user_data);

typedef struct {

  RawAddress peer_addr;

  uint16_t peer_mtu;

} tSDP_DR_OPEN;

typedef struct {

  uint8_t* p_data;

  uint16_t data_len;

} tSDP_DR_DATA;

typedef union {

  tSDP_DR_OPEN open;

  tSDP_DR_DATA data;

} tSDP_DATA;

/* Define a structure to hold the discovered service information. */

typedef struct {

  union {