This reverts commit 
334f5b61a6f29834e881923b98d1e27e5ce9620d.
This caused ath10k_snoc on Qualcomm MSM8998, SDM845 and QCS404 platforms to
trigger an assert in the firmware:
err_qdi.c:456:EF:wlan_process:1:cmnos_thread.c:3900:Asserted in wlan_vdev.c:_wlan_vdev_up:3219
Revert the offending commit for now.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
 
                spin_unlock_bh(&ar->data_lock);
 
-               if (!sta->tdls) {
-                       ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
-                       ath10k_mac_dec_num_stations(arvif, sta);
-                       kfree(arsta->tx_stats);
+               if (!sta->tdls)
                        goto exit;
-               }
 
                ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
                                                      WMI_TDLS_ENABLE_ACTIVE);