madplay: workaround not needed anymore

The patches for uClibc-ng are upstream and added to buildroot.

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/madplay/madplay.mk

@@ -11,14 +11,6 @@ MADPLAY_LICENSE_FILES = COPYING COPYRIGHT
 MADPLAY_LIBTOOL_PATCH = NO
 MADPLAY_DEPENDENCIES = libmad libid3tag $(if $(BR2_PACKAGE_GETTEXT),gettext)
 
-# Workaround a bug in uClibc-ng, which exposes madvise() but doesn't
-# provide the corresponding MADV_* definitions. Bug reported at
-# http://mailman.uclibc-ng.org/pipermail/devel/2016-December/001306.html. madvise()
-# is anyway useless on noMMU.
-ifeq ($(BR2_USE_MMU),)
-MADPLAY_CONF_ENV += ac_cv_func_madvise=no
-endif
-
 # Check if ALSA is built, then we should configure after alsa-lib so
 # ./configure can find alsa-lib.
 ifeq ($(BR2_PACKAGE_MADPLAY_ALSA),y)