doc: Remove unsupported traineddata from list (#1367)

The languages dan_frak, deu_frak and slk_frak were contributions.
They are not part of tessdata_fast.

Signed-off-by: Stefan Weil <sw@weilnetz.de>

Author: stweil

doc/tesseract.1.asc

@@ -138,9 +138,7 @@ for the following languages are in
 *chr* (Cherokee),
 *cym* (Welsh),
 *dan* (Danish),
-*dan_frak* (Danish - Fraktur),
 *deu* (German),
-*deu_frak* (German - Fraktur),
 *dzo* (Dzongkha),
 *ell* (Greek, Modern (1453-)),
 *eng* (English),
@@ -209,7 +207,6 @@ for the following languages are in
 *san* (Sanskrit),
 *sin* (Sinhala; Sinhalese),
 *slk* (Slovak),
-*slk_frak* (Slovak - Fraktur),
 *slv* (Slovenian),
 *snd* (Sindhi),
 *spa* (Spanish; Castilian),