replace initramfs with mkinitcpio in message

usr/lib/archboot/installer/autoconfiguration.sh

@@ -249,7 +249,7 @@ _auto_mkinitcpio() {
         [[ -e "${_DESTDIR}/boot/initramfs-linux-fallback.img" ]] && rm -f "${_DESTDIR}/boot/initramfs-linux-fallback.img"
         sleep 2
         _AUTO_MKINITCPIO=1
-        _run_mkinitcpio | _dialog --title " Logging to ${_VC} | ${_LOG} " --gauge "Rebuilding initramfs on installed system..." 6 75 0
+        _run_mkinitcpio | _dialog --title " Logging to ${_VC} | ${_LOG} " --gauge "Running mkinitcpio on installed system..." 6 75 0
         _mkinitcpio_error
         _printk on
     fi