build: drop HAVE_WIFI define

It's unused.

https://github.com/NetworkManager/NetworkManager/pull/347

config.h.meson

@@ -218,9 +218,6 @@
 /* Whether compilation of ibft setting plugin is enabled */
 #mesondefine WITH_SETTINGS_PLUGIN_IBFT
 
-/* Define if you have Wi-Fi support */
-#mesondefine WITH_WIFI
-
 /* Define if you have iwd support */
 #mesondefine WITH_IWD
 

configure.ac

@@ -191,9 +191,6 @@ AC_SUBST(NM_DIST_VERSION, "$ac_distver")
 AC_ARG_ENABLE(wifi, AS_HELP_STRING([--enable-wifi], [enable Wi-Fi support]))
 if test "${enable_wifi}" != "no"; then
 	enable_wifi='yes'
-	AC_DEFINE(WITH_WIFI, 1, [Define if you have Wi-Fi support])
-else
-	AC_DEFINE(WITH_WIFI, 0, [Define if you have Wi-Fi support])
 fi
 AM_CONDITIONAL(WITH_WIFI, test "${enable_wifi}" = "yes")
 

meson.build

@@ -259,7 +259,6 @@ config_h.set_quoted('NM_CONFIG_DEFAULT_MAIN_PLUGINS', config_plugins_default)
 config_h.set_quoted('NM_DIST_VERSION', dist_version)
 
 enable_wifi = get_option('wifi')
-config_h.set10('WITH_WIFI', enable_wifi)
 
 enable_iwd = get_option('iwd')
 if enable_iwd