update pleroma expire scripts

src/freedombone-app-pleroma

     read_config_param PLEROMA_DOMAIN_NAME
     read_config_param PLEROMA_EXPIRE_MONTHS
 
+    if ! grep -q "/media/" /etc/cron.daily/pleroma-expire; then
+        rm $pleroma_expire_posts_script
+    fi
     if [ ! -f $pleroma_expire_posts_script ]; then
         expire_pleroma_posts $PLEROMA_DOMAIN_NAME $PLEROMA_EXPIRE_MONTHS
     fi