archlinux: do not mess with locales in post-install script

Locales must be setup properly in the template.

archlinux/PKGBUILD.install

@@ -130,21 +130,6 @@ EOF
         done
     fi
 
-    # Make sure there is a default locale set so gnome-terminal will start
-    if [ ! -e /etc/locale.conf ] || ! grep -q LANG /etc/locale.conf; then
-        touch /etc/locale.conf
-        echo "LANG=en_US.UTF-8" >> /etc/locale.conf
-    fi
-    # ... and make sure it is really generated
-    # This line is buggy as LANG can be set to LANG="en_US.UTF-8". The Quotes must be stripped
-    current_locale=$(grep LANG /etc/locale.conf|cut -f 2 -d = | tr -d '"')
-    if [ -n "$current_locale" ] && ! locale -a | grep -q "$current_locale"; then
-        base=$(echo "$current_locale" | cut -f 1 -d .)
-        charmap=$(echo "$current_locale.UTF-8" | cut -f 2 -d .)
-        [ -n "$charmap" ] && charmap="-f $charmap"
-        # shellcheck disable=SC2086
-        localedef -i "$base" $charmap "$current_locale"
-    fi
 }
 
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