getdns: clean up the configuration menu

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>

libs/getdns/Config.in

@@ -2,15 +2,15 @@ menu "Configuration"
 	depends on PACKAGE_getdns
 
 config GETDNS_ENABLE_STUB_ONLY
-	bool "GETDNS_ENABLE_STUB_ONLY"
-	help
-		getdns can be configured for stub resolution mode only. (Removes libunbound dependency)
+	bool "Stub resolution mode only"
 	default y
+	help
+		getdns can be configured for stub resolution mode only (removes libunbound dependency).
 	
 config GETDNS_ENABLE_IDN_LIBIDN2
-	bool "GETDNS_ENABLE_IDN_LIBIDN2"
-	help 
-		getdns can be configured with some IDN Support. (Requires libidn2 dependency)
+	bool "IDN support"
 	default n
+	help
+		getdns can be configured with some IDN Support (requires libidn2 dependency).
 
 endmenu