package/python-xmltodict: drop python2 support

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/python-xmltodict/Config.in

@@ -1,7 +1,6 @@
 config BR2_PACKAGE_PYTHON_XMLTODICT
 	bool "python-xmltodict"
-	select BR2_PACKAGE_PYTHON_PYEXPAT if BR2_PACKAGE_PYTHON # runtime
-	select BR2_PACKAGE_PYTHON3_PYEXPAT if BR2_PACKAGE_PYTHON3 # runtime
+	select BR2_PACKAGE_PYTHON3_PYEXPAT # runtime
 	help
 	  Makes working with XML feel like you are working with JSON.