Install the image and copy/paste the lines that are not the languages you want into your box via telnet or ssh/Putty.

You need to build your own commands/script, in fact you can just send command/line after line, into the console/telnet/putty/ssh, selecting naturally the ones you want.

It's normal it goes in loop, as the script removed the Polish language, that in your case you need and probably selected at setup.

Admin

Code:
#!/bin/sh
#
#Remove from /usr/share/enigma2/countries
#
cd /usr/share/enigma2/countries
#
rm ad.png
rm ee.png
rm hr.png
rm lt.png
rm ro.png
rm ua.png
rm ae.png
#rm en.png
rm hu.png
rm lv.png
rm ru.png
rm yu.png
rm bg.png
rm es.png
rm il.png
rm se.png
rm br.png
rm fi.png
rm ir.png
rm nl.png
rm si.png
rm cz.png
rm fr.png
rm is.png
rm no.png
rm sk.png
#rm de.png
rm fy_NL.png    
rm it.png
#rm pl.png
rm th.png
rm dk.png
rm gr.png
rm ku.png
rm pt.png
rm tr.png
rm hk.png
rm id.png
rm nn.png
rm zh.png
#rm missing.png
#
#Remove from /usr/share/enigma2/po
#
cd /usr/share/enigma2/po
#
rm -r ar
rm -r cs
rm -r el
rm -r et
rm -r fr
rm -r hr
rm -r it
rm -r lv
rm -r no
rm -r pt_BR  
rm -r sk
rm -r sv
rm -r uk
rm -r bg
rm -r da
#rm -r en
rm -r fa
rm -r fy
rm -r hu
rm -r ku
rm -r nb
#rm -r pl
rm -r ro
rm -r sl
rm -r th
rm -r ca
#rm -r de
rm -r es
rm -r fi
rm -r he
rm -r is
rm -r lt
rm -r nl
rm -r pt
rm -r ru
rm -r sr
rm -r tr
rm -r hk
rm -r id
rm -r nn
rm -r zh
#
#Remove not used Skins
#
rm -r /usr/share/enigma2/PLi-FullHD
rm -r /usr/share/enigma2/PLi-FullNightHD
rm -r /usr/share/enigma2/PLi-HD1
rm -r /usr/share/enigma2/PLi-HD2
#
#Remove Feeds Packages List
#
rm /var/lib/opkg/O*
rm /var/lib/opkg/lists/o*
#
#END
#
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