Don't remove ghost files on failure

src/freedombone-app-ghost

     wget ${GHOST_DOWNLOAD_URL}
     if [ ! -f ghost-${GHOST_VERSION}.zip ]; then
         echo $'Unable to download ghost'
-        rm -rf /var/www/$GHOST_DOMAIN_NAME
         exit 367245
     fi
 
     unzip ghost-${GHOST_VERSION}.zip
     if [ ! -f $GHOST_PATH/index.js ]; then
         echo $'ghost failed to unzip'
-        rm -rf /var/www/$GHOST_DOMAIN_NAME
         exit 63835
     fi