ath10k: remove multiple defines of DIAG_TRANSFER_LIMIT

DIAG_TRANSFER_LIMIT is redefined with same value and comments
just below this entry, remove this duplicate entry.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath10k/pci.h

@@ -24,11 +24,6 @@
 #include "ce.h"
 #include "ahb.h"
 
-/*
- * maximum number of bytes that can be handled atomically by DiagRead/DiagWrite
- */
-#define DIAG_TRANSFER_LIMIT 2048
-
 /*
  * maximum number of bytes that can be
  * handled atomically by DiagRead/DiagWrite