NTCP2: Remove dup getHash() method

router/java/src/com/southernstorm/noise/protocol/HandshakeState.java

@@ -882,14 +882,6 @@ public class HandshakeState implements Destroyable {
 		return symmetric.getChainingKey();
 	}
 
-	/**
-	 *  I2P for getting current hash for siphash calculation
-	 *  @return NOT a copy, do not modify
-	 */
-	public byte[] getHash() {
-		return symmetric.getHandshakeHash();
-	}
-
 	/**
 	 *  I2P debug
 	 */

router/java/src/net/i2p/router/transport/ntcp/NTCP2Payload.java

@@ -343,8 +343,6 @@ class NTCP2Payload {
      * Big endian.
      * Same as DataHelper.fromLong(src, offset, 8) but allows negative result
      *
-     * Package private for NTCP2Payload.
-     *
      * @throws ArrayIndexOutOfBoundsException
      * @since 0.9.36
      */

router/java/src/net/i2p/router/transport/ntcp/OutboundNTCP2State.java

@@ -442,7 +442,7 @@ class OutboundNTCP2State implements EstablishState {
         tk = new SessionKey(temp_key);
         byte[] ask_master = doHMAC(ctx, tk, ASK);
         byte[] tmp = new byte[32 + SIPHASH.length];
-        byte[] hash = state.getHash();
+        byte[] hash = state.getHandshakeHash();
         System.arraycopy(hash, 0, tmp, 0, 32);
         System.arraycopy(SIPHASH, 0, tmp, 32, SIPHASH.length); 
         tk = new SessionKey(ask_master);