staging: rtl8192e: Remove unused struct chnl_txpow_triple

Remove unused struct chnl_txpow_triple.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/f66c7cd95ae460ccb376e9edce11b2b955c908cc.1700431464.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/dot11d.h

@@ -10,12 +10,6 @@
 
 #include "rtllib.h"
 
-struct chnl_txpow_triple {
-	u8 first_channel;
-	u8  num_channels;
-	u8  max_tx_power;
-};
-
 /**
  * struct rt_dot11d_info
  * @channel_map: holds channel values