staging: vt6656: remove unused vnt_get_current_tsf() function

The function vnt_get_current_tsf() is not used anywhere, remove it.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20230317064800.12276-1-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6656/card.c

@@ -11,7 +11,6 @@
  *      vnt_add_basic_rate - Add to BasicRateSet
  *      vnt_ofdm_min_rate - Check if any OFDM rate is in BasicRateSet
  *      vnt_get_tsf_offset - Calculate TSFOffset
- *      vnt_get_current_tsf - Read Current NIC TSF counter
  *      vnt_get_next_tbtt - Calculate Next Beacon TSF counter
  *      vnt_reset_next_tbtt - Set NIC Beacon time
  *      vnt_update_next_tbtt - Sync. NIC Beacon time
@@ -230,26 +229,6 @@ int vnt_adjust_tsf(struct vnt_private *priv, u8 rx_rate,
 			       MESSAGE_REQUEST_TSF, 0, 8, data);
 }
 
-/*
- * Description: Read NIC TSF counter
- *              Get local TSF counter
- *
- * Parameters:
- *  In:
- *	priv		- The adapter to be read
- *  Out:
- *	current_tsf	- Current TSF counter
- *
- * Return Value: true if success; otherwise false
- *
- */
-bool vnt_get_current_tsf(struct vnt_private *priv, u64 *current_tsf)
-{
-	*current_tsf = priv->current_tsf;
-
-	return true;
-}
-
 /*
  * Description: Clear NIC TSF counter
  *              Clear local TSF counter

drivers/staging/vt6656/card.h

@@ -30,7 +30,6 @@ void vnt_update_top_rates(struct vnt_private *priv);
 bool vnt_ofdm_min_rate(struct vnt_private *priv);
 int vnt_adjust_tsf(struct vnt_private *priv, u8 rx_rate,
 		   u64 time_stamp, u64 local_tsf);
-bool vnt_get_current_tsf(struct vnt_private *priv, u64 *current_tsf);
 bool vnt_clear_current_tsf(struct vnt_private *priv);
 int vnt_reset_next_tbtt(struct vnt_private *priv, u16 beacon_interval);
 int vnt_update_next_tbtt(struct vnt_private *priv, u64 tsf,