iwlagn: remove uneeded declaration

This has been removed but the declaration hasn't.
Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h

@@ -275,8 +275,6 @@ int iwlagn_txq_attach_buf_to_tfd(struct iwl_trans *trans,
 				 dma_addr_t addr, u16 len, u8 reset);
 int iwl_queue_init(struct iwl_queue *q, int count, int slots_num, u32 id);
 int iwl_trans_pcie_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd);
-int __must_check iwl_trans_pcie_send_cmd_pdu(struct iwl_trans *trans, u8 id,
-			u32 flags, u16 len, const void *data);
 void iwl_tx_cmd_complete(struct iwl_trans *trans,
 			 struct iwl_rx_mem_buffer *rxb, int handler_status);
 void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_trans *trans,