We can remove this, because it is used in `strtodsdigest` but that
already no longer covers the algorithm name "GOST".
There is one more GOST reference in `bin/python/isc/checkds.py.in`
but that is used for presentation format and probably should stay.
(cherry picked from commit
57d44fbc628d3c7dafdd545f6b83dbdcdc39a986)
fprintf(stderr, " -K <directory>: directory in which to find "
"key file or keyset file\n");
fprintf(stderr, " -a algorithm: digest algorithm "
- "(SHA-1, SHA-256, GOST or SHA-384)\n");
+ "(SHA-1, SHA-256 or SHA-384)\n");
fprintf(stderr, " -1: use SHA-1\n");
fprintf(stderr, " -2: use SHA-256\n");
fprintf(stderr, " -C: print CDS record\n");