Remove webalizer during upgrade.

install/upgrade/versions/1.0.3.sh

@@ -39,3 +39,11 @@ done
 if [ ! -z "$resolver" ]; then
     sed -i "s/1.0.0.1 1.1.1.1/$resolver/g" /usr/local/hestia/nginx/conf/nginx.conf
 fi
+
+# Remove Webalizer and set AWStats as default
+WEBALIZER_CHECK=$(cat $HESTIA/conf/hestia.conf | grep webalizer)
+if [ ! -z "$WEBALIZER_CHECK" ]; then
+    echo "(*) Removing Webalizer and setting AWStats as default web statistics backend..."
+    apt purge webalizer -y > /dev/null 2>&1
+    sed -i "s/STATS_SYSTEM='webalizer,awstats'/STATS_SYSTEM='awstats'/g" $HESTIA/conf/hestia.conf
+fi