Don't hack 'override_install_langs' yum option

This shouldn't be needed, re-defining %_install_langs should be
enough.

fedora-cloud-base.ks

@@ -163,9 +163,6 @@ localedef --list-archive | grep -v ^en_US | xargs localedef --delete-from-archiv
 mv -f /usr/lib/locale/locale-archive /usr/lib/locale/locale-archive.tmpl
 build-locale-archive
 echo '%_install_langs C:en:en_US:en_US.UTF-8' >> /etc/rpm/macros.image-language-conf
-awk '(NF==0&&!done){print "override_install_langs='$LANG'";done=1}{print}' \
-    < /etc/yum.conf > /etc/yum.conf.new
-mv /etc/yum.conf.new /etc/yum.conf
 
 
 echo -n "Getty fixes"

fedora-docker-base.ks

@@ -53,18 +53,7 @@ set -e
 userdel -r none
 
 LANG="en_US"
-echo "%_install_lang $LANG" > /etc/rpm/macros.image-language-conf
+echo "%_install_langs $LANG" > /etc/rpm/macros.image-language-conf
-
-# Carry these configs for both dnf and yum for users who are calling
-# yum-deprecated directly. This will keep the experience between both
-# consistent
-awk '(NF==0&&!done){print "override_install_langs='$LANG'\ntsflags=nodocs";done=1}{print}' \
-    < /etc/yum.conf > /etc/yum.conf.new
-mv /etc/yum.conf.new /etc/yum.conf
-
-awk '(NF==0&&!done){print "override_install_langs='$LANG'\ntsflags=nodocs";done=1}{print}' \
-    < /etc/dnf/dnf.conf > /etc/dnf/dnf.conf.new
-mv /etc/dnf/dnf.conf.new /etc/dnf/dnf.conf
 
 echo "Import RPM GPG key"
 releasever=$(rpm -q --qf '%{version}\n' fedora-release)