Remove the GOST engine

The GOST engine is now out of date and is removed by this commit. An up
to date GOST engine is now being maintained in an external repository.

See:
https://wiki.openssl.org/index.php/Binaries

Reviewed-by: Richard Levitte <levitte@openssl.org>

crypto/engine/eng_all.c

@@ -86,9 +86,6 @@ void ENGINE_load_builtin_engines(void)
     ENGINE_load_padlock();
 #  endif
 # endif
-# ifndef OPENSSL_NO_GOST
-    ENGINE_load_gost();
-# endif
 # if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG)
     ENGINE_load_capi();
 # endif