SKALE-3023 remove unused code

BLSCrypto.cpp

@@ -129,36 +129,6 @@ bool hex2carray(const char *_hex, uint64_t *_bin_len,
     return true;
 }
 
-bool sign(const char *_encryptedKeyHex, const char *_hashHex, size_t _t, size_t _n, size_t _signerIndex,
-          char *_sig) {
-
-
-    CHECK_STATE(_encryptedKeyHex);
-    CHECK_STATE(_hashHex);
-    CHECK_STATE(_sig);
-
-    auto keyStr = make_shared<string>(_encryptedKeyHex);
-
-    auto hash = make_shared < array < uint8_t,
-    32 >> ();
-
-    uint64_t binLen;
-
-    if (!hex2carray(_hashHex, &binLen, hash->data(), hash->size())) {
-        throw SGXException(INVALID_HEX, "Invalid hash");
-    }
-
-    auto keyShare = make_shared<BLSPrivateKeyShareSGX>(keyStr, _t, _n);
-
-    auto sigShare = keyShare->signWithHelperSGX(hash, _signerIndex);
-
-    auto sigShareStr = sigShare->toString();
-
-    strncpy(_sig, sigShareStr->c_str(), BUF_LEN);
-
-    return true;
-}
-
 bool sign_aes(const char *_encryptedKeyHex, const char *_hashHex, size_t _t, size_t _n, char *_sig) {
 
     CHECK_STATE(_encryptedKeyHex);