Remove crypto_core_ed25519_from_hash()

Undocumented, was deprecated for a while in stable versions,
obsoleted by `_from_string()` and `from_string_ro()`.

dist-build/emscripten-symbols.def

@@ -156,7 +156,6 @@ _crypto_box_seedbytes 1 1
 _crypto_box_zerobytes 0 1
 _crypto_core_ed25519_add 0 1
 _crypto_core_ed25519_bytes 0 1
-_crypto_core_ed25519_from_hash 0 0
 _crypto_core_ed25519_from_string 0 1
 _crypto_core_ed25519_from_string_ro 0 1
 _crypto_core_ed25519_from_uniform 0 1

src/libsodium/crypto_core/ed25519/core_ed25519.c

@@ -72,14 +72,6 @@ crypto_core_ed25519_from_uniform(unsigned char *p, const unsigned char *r)
     return 0;
 }
 
-int
-crypto_core_ed25519_from_hash(unsigned char *p, const unsigned char *h)
-{
-    ge25519_from_hash(p, h);
-
-    return 0;
-}
-
 #define HASH_BYTES      crypto_hash_sha512_BYTES
 #define HASH_BLOCKBYTES 128U
 #define HASH_L          48U

src/libsodium/include/sodium/crypto_core_ed25519.h

@@ -46,10 +46,6 @@ SODIUM_EXPORT
 int crypto_core_ed25519_from_uniform(unsigned char *p, const unsigned char *r)
             __attribute__ ((nonnull));
 
-SODIUM_EXPORT
-int crypto_core_ed25519_from_hash(unsigned char *p, const unsigned char *h)
-            __attribute__ ((nonnull)) __attribute__ ((deprecated));
-
 SODIUM_EXPORT
 int crypto_core_ed25519_from_string(unsigned char p[crypto_core_ed25519_BYTES],
                                     const char *ctx, const unsigned char *msg,

test/symbols/all-symbols.txt

@@ -190,7 +190,6 @@ crypto_box_seedbytes
 crypto_box_zerobytes
 crypto_core_ed25519_add
 crypto_core_ed25519_bytes
-crypto_core_ed25519_from_hash
 crypto_core_ed25519_from_string
 crypto_core_ed25519_from_string_ro
 crypto_core_ed25519_from_uniform