qcacld-3.0: Remove struct sSmeIbssPeerInd

The last use of struct sSmeIbssPeerInd (via typedef tSmeIbssPeerInd)
was removed by:
  qcacld-3.0: Cleanup IBSS code from LIM
  Change-Id Idebb0f55aa27751f1fdd7b4c1fb8124ae29eb382

Since the struct is obsolete, remove it.

Change-Id: I981c7991efb88b34824313f4f2872f91ccfbcbd8
CRs-Fixed: 3431514

core/mac/inc/sir_api.h

@@ -1512,16 +1512,6 @@ struct qos_map_set {
 	uint8_t dscp_range[QOS_MAP_RANGE_NUM][2];
 };
 
-typedef struct sSmeIbssPeerInd {
-	uint16_t mesgType;
-	uint16_t mesgLen;
-	uint8_t sessionId;
-
-	struct qdf_mac_addr peer_addr;
-
-	/* Beacon will be appended for new Peer indication. */
-} tSmeIbssPeerInd, *tpSmeIbssPeerInd;
-
 typedef struct sSmeMaxAssocInd {
 	uint16_t mesgType;      /* eWNI_SME_MAX_ASSOC_EXCEEDED */
 	uint16_t mesgLen;