Revert "Use current Ed25519 OID for decoding too"

This reverts commit a150eaf.

Author: str4d

src/net/i2p/crypto/eddsa/EdDSAPrivateKey.java

@@ -158,7 +158,7 @@ private static byte[] decode(byte[] d) throws InvalidKeySpecException {
                 d[idx++] != 3 ||
                 d[idx++] != (1 * 40) + 3 ||
                 d[idx++] != 101 ||
-                d[idx++] != 112 ||
+                d[idx++] != 100 ||
                 d[idx++] != 0x0a ||
                 d[idx++] != 1 ||
                 d[idx++] != 1 ||

src/net/i2p/crypto/eddsa/EdDSAPublicKey.java

@@ -131,7 +131,7 @@ private static byte[] decode(byte[] d) throws InvalidKeySpecException {
                 d[idx++] != 3 ||
                 d[idx++] != (1 * 40) + 3 ||
                 d[idx++] != 101 ||
-                d[idx++] != 112 ||
+                d[idx++] != 100 ||
                 d[idx++] != 0x0a ||
                 d[idx++] != 1 ||
                 d[idx++] != 1 ||