Revert "package/weston: disable -NDEBUG"

Setting NDEBUG is no longer done by the infra.

This reverts commit 4d46a18555ad5c024b6d5fb28cf6f3cc0b2b0d5b.

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/weston/weston.mk

@@ -19,8 +19,6 @@ WESTON_CONF_OPTS = \
 	-Dcolor-management-colord=false \
 	-Dremoting=false
 
-WESTON_CFLAGS="$(TARGET_CFLAGS) -UNDEBUG"
-
 # Uses VIDIOC_EXPBUF, only available from 3.8+
 ifeq ($(BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_8),y)
 WESTON_CONF_OPTS += -Dsimple-clients=dmabuf-v4l