hostapd: remove invalid dtim_period option processing

dtim_period is a bss property, not a device one.
It is already handled properly in mac80211.sh

Fixes: 30c64825c7ed ("hostapd: add dtim_period, local_pwr_constraint, spectrum_mgmt_required")
Signed-off-by: Felix Fietkau <[email protected]>

package/network/services/hostapd/files/hostapd.sh

@@ -131,7 +131,7 @@ hostapd_prepare_device_config() {
 
 	local base_cfg=
 
-	json_get_vars country country3 country_ie beacon_int:100 dtim_period:2 doth require_mode legacy_rates \
+	json_get_vars country country3 country_ie beacon_int:100 doth require_mode legacy_rates \
 		acs_chan_bias local_pwr_constraint spectrum_mgmt_required airtime_mode cell_density \
 		rts_threshold beacon_rate rssi_reject_assoc_rssi rssi_ignore_probe_request maxassoc
 
@@ -232,7 +232,6 @@ hostapd_prepare_device_config() {
 	[ -n "$brlist" ] && append base_cfg "basic_rates=$brlist" "$N"
 	append base_cfg "beacon_int=$beacon_int" "$N"
 	[ -n "$rts_threshold" ] && append base_cfg "rts_threshold=$rts_threshold" "$N"
-	append base_cfg "dtim_period=$dtim_period" "$N"
 	[ "$airtime_mode" -gt 0 ] && append base_cfg "airtime_mode=$airtime_mode" "$N"
 	[ -n "$maxassoc" ] && append base_cfg "iface_max_num_sta=$maxassoc" "$N"