ath10k: remove ATH10K_DBG_BEACON debug flag.

We removed logging for that a while back.

Change-Id: I2b1a8c99077222838da73047ec31d2b0b95e3600
diff --git a/drivers/net/wireless/ath/ath10k/debug.h b/drivers/net/wireless/ath/ath10k/debug.h
index 2329260..3900934 100644
--- a/drivers/net/wireless/ath/ath10k/debug.h
+++ b/drivers/net/wireless/ath/ath10k/debug.h
@@ -38,9 +38,6 @@
 	ATH10K_DBG_WMI_PRINT	= 0x00002000,
 	ATH10K_DBG_PCI_PS	= 0x00004000,
 	ATH10K_DBG_ANY		= 0xffffffff,
-
-	// Use high bit so conflicts are less likely with upstream updates.
-	ATH10K_DBG_BEACON	= 0x10000000,
 };
 
 enum ath10k_pktlog_filter {