iwlwifi: remove max_vht_ampdu_exponent config parameter

This is not (or no longer) used, so remove it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210210171218.ed18d7c8e7b8.Ic3fdf7c8636f332e3d5ee5841b03bf85e3bc4855@changeidSigned-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/iwl-config.h

@@ -327,8 +327,6 @@ struct iwl_fw_mon_regs {
  * @max_tx_agg_size: max TX aggregation size of the ADDBA request/response
  * @max_ht_ampdu_factor: the exponent of the max length of A-MPDU that the
  *	station can receive in HT
- * @max_vht_ampdu_exponent: the exponent of the max length of A-MPDU that the
- *	station can receive in VHT
  * @dccm_offset: offset from which DCCM begins
  * @dccm_len: length of DCCM (including runtime stack CCM)
  * @dccm2_offset: offset from which the second DCCM begins
@@ -396,7 +394,6 @@ struct iwl_cfg {
 	u8 nvm_hw_section_num;
 	u8 max_tx_agg_size;
 	u8 max_ht_ampdu_exponent;
-	u8 max_vht_ampdu_exponent;
 	u8 ucode_api_max;
 	u8 ucode_api_min;
 	u16 num_rbds;

drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c

@@ -453,8 +453,6 @@ static void iwl_init_vht_hw_capab(struct iwl_trans *trans,
 	const struct iwl_cfg *cfg = trans->cfg;
 	int num_rx_ants = num_of_ant(rx_chains);
 	int num_tx_ants = num_of_ant(tx_chains);
-	unsigned int max_ampdu_exponent = (cfg->max_vht_ampdu_exponent ?:
-					   IEEE80211_VHT_MAX_AMPDU_1024K);
 
 	vht_cap->vht_supported = true;
 
@@ -462,7 +460,7 @@ static void iwl_init_vht_hw_capab(struct iwl_trans *trans,
 		       IEEE80211_VHT_CAP_RXSTBC_1 |
 		       IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
 		       3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT |
-		       max_ampdu_exponent <<
+		       IEEE80211_VHT_MAX_AMPDU_1024K <<
 		       IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
 
 	if (data->vht160_supported)