Abandon the idea of sts for slovnik-cizich-slov

We'd need something like inlining the type sequence within the data,
which doesn't seem particularly elegant.

dicts/slovnik-cizich-slov.sh

@@ -1,7 +1,6 @@
 #!/bin/sh -e
 # Slovník cizích slov, see https://slovnik-cizich-slov.abz.cz/web.php/o-slovniku
-# TODO: Skipping the optional pronunciation field, tabfile can't handle it yet,
-# but could be made to accept a lowercase sametypesequence
+# XXX: skipping the /optional/ pronunciation field, tabfile can't handle that
 curl -Lo- https://slovnik-cizich-slov.abz.cz/export.php | \
 iconv -f latin2 -t UTF-8 | perl -CSD -F\\\| -le '
 	print "$_\t" . $F[2] =~ s/\\/\\\\/gr =~ s/; /\\n/gr for split(", ", $F[0])