samples: wifi: Remove redundant default bool values

Boolean Kconfig options default to 'n' when no default value is
specified. Remove redundant 'default n' declarations to improve
code clarity and follow Kconfig best practices.

Signed-off-by: Kapil Bhatt <[email protected]>

Author: kapbh

samples/wifi/ble_coex/Kconfig

@@ -60,7 +60,6 @@ config WIFI_THREAD_PRIORITY
 
 config WIFI_ZPERF_SERVER
 	bool "Zperf role: server or client"
-	default n
 
 config WIFI_ZPERF_PROT_UDP
 	bool "UDP or TCP"

samples/wifi/ble_coex/prj.conf

@@ -82,7 +82,6 @@ CONFIG_NET_CONFIG_MY_IPV4_GW="192.168.1.1"
 CONFIG_WIFI_ZPERF_PROT_UDP=y
 CONFIG_WIFI_ZPERF_PKT_SIZE=1024
 CONFIG_WIFI_ZPERF_RATE=10000
-CONFIG_WIFI_ZPERF_SERVER=n
 
 CONFIG_BT_DEVICE_NAME="Nordic_Throughput"
 CONFIG_BT=y

samples/wifi/provisioning/internal/Kconfig

@@ -87,7 +87,6 @@ config WIFI_PROV_PASSWORD
 
 config WIFI_PROV_VOLATILE_MEMORY
 	bool "Use volatile memory"
-	default n
 	help
 	  Store WiFi configuration in volatile memory.
 	  If disabled, configuration is stored persistently.
@@ -102,7 +101,6 @@ config WIFI_PROV_SCAN_BAND
 
 config WIFI_PROV_SCAN_PASSIVE
 	bool "Passive scan mode"
-	default n
 	help
 	  Enable passive scanning mode.
 	  If disabled, active scanning is used.

samples/wifi/raw_tx_packet/Kconfig

@@ -18,7 +18,6 @@ config RAW_TX_PKT_SAMPLE_DHCP_TIMEOUT_S
 
 config RAW_TX_PKT_SAMPLE_STA_ONLY_MODE
 	bool "Set Wi-Fi Station mode"
-	default n
 	help
 	  Set the device operating mode as Station mode.
 

samples/wifi/thread_coex/Kconfig

@@ -26,7 +26,6 @@ config WIFI_THREAD_PRIORITY
 
 config WIFI_ZPERF_SERVER
 	bool "Zperf role: server or client"
-	default n
 
 config WIFI_ZPERF_PROT_UDP
 	bool "UDP or TCP"