sdkconfig: Remove rest of the references to WIFI_ENABLED

examples/bluetooth/gatt_client/sdkconfig.defaults

@@ -1,4 +1,3 @@
 # Override some defaults so BT stack is enabled
-# and WiFi disabled by default in this example
+# by default in this example
 CONFIG_BT_ENABLED=y
-CONFIG_WIFI_ENABLED=n

examples/bluetooth/gatt_security_server/sdkconfig.defaults

@@ -1,4 +1,3 @@
 # Override some defaults so BT stack is enabled
-# and WiFi disabled by default in this example
+# by default in this example
 CONFIG_BT_ENABLED=y
-CONFIG_WIFI_ENABLED=n

examples/bluetooth/gatt_server/sdkconfig.defaults

@@ -1,4 +1,3 @@
 # Override some defaults so BT stack is enabled
-# and WiFi disabled by default in this example
+# by default in this example
 CONFIG_BT_ENABLED=y
-CONFIG_WIFI_ENABLED=n

examples/ethernet/ethernet/sdkconfig.defaults

@@ -1,2 +1 @@
-# CONFIG_WIFI_ENABLED is not set
 CONFIG_ETHERNET=y

examples/get-started/blink/sdkconfig.defaults

@@ -1,2 +1,2 @@
-# Disable WiFi stack by default
-CONFIG_WIFI_ENABLED=n
+#
+

tools/unit-test-app/sdkconfig

@@ -174,7 +174,6 @@ CONFIG_ESP32_DEEP_SLEEP_WAKEUP_DELAY=0
 # CONFIG_ESP32_XTAL_FREQ_26 is not set
 CONFIG_ESP32_XTAL_FREQ_AUTO=y
 CONFIG_ESP32_XTAL_FREQ=0
-CONFIG_WIFI_ENABLED=y
 CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM=10
 CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM=0
 # CONFIG_ESP32_WIFI_STATIC_TX_BUFFER is not set