ath10k: remove variables which set but not used

[Kalle Valo]

Kenneth Lu <kuohsianglu at gmail.com> wrote:

> Variable buf_len and num_vdev_stats are bging assigned but never read.
> These are redundant and can be remove.
> 
> Signed-off-by: Kenneth Lu <kuohsianglu at gmail.com>

Fails to compile:

drivers/net/wireless/ath/ath10k/wmi.c: In function 'ath10k_wmi_10_4_op_pull_fw_stats':
drivers/net/wireless/ath/ath10k/wmi.c:3067:18: error: 'num_vdev_stats' undeclared (first use in this function); did you mean 'num_pdev_stats'?
  for (i = 0; i < num_vdev_stats; i++) {
                  ^~~~~~~~~~~~~~
                  num_pdev_stats
drivers/net/wireless/ath/ath10k/wmi.c:3067:18: note: each undeclared identifier is reported only once for each function it appears in
make[5]: *** [drivers/net/wireless/ath/ath10k/wmi.o] Error 1
make[4]: *** [drivers/net/wireless/ath/ath10k] Error 2
make[3]: *** [drivers/net/wireless/ath] Error 2
make[2]: *** [drivers/net/wireless] Error 2
make[1]: *** [drivers/net] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [drivers] Error 2

Patch set to Changes Requested.

-- 
https://patchwork.kernel.org/patch/10291063/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches