qcacmn: Remove macro ENABLE_10_4_FW_HDR

Remove all occurrence of ENABLE_10_4_FW_HDR and conserve
any logic change.

CRs-Fixed: 3345419
Change-Id: I37993fd2412a99e605290f5a895b7d8d634b5a69

dp/wifi3.0/dp_internal.h

@@ -2968,7 +2968,7 @@ dp_hif_update_pipe_callback(struct dp_soc *dp_soc, void *cb_context,
 			    uint8_t pipe_id)
 {
 }
-#endif /* CONFIG_WIN */
+#endif
 
 #ifdef VDEV_PEER_PROTOCOL_COUNT
 /**