Merge remote-tracking branch 'tonywasher/AsconMultiXof' into 2030-asconxof

# Conflicts:
#	core/src/main/java/org/bouncycastle/crypto/digests/AsconBaseDigest.java
#	core/src/main/java/org/bouncycastle/crypto/digests/AsconCXof128.java
#	core/src/main/java/org/bouncycastle/crypto/digests/AsconXof128.java

Author: gefeili

core/src/main/java/org/bouncycastle/crypto/digests/AsconBaseDigest.java

@@ -67,7 +67,6 @@ protected void squeeze(byte[] output, int outOff, int len)
         }
         /* squeeze final output block */
         setBytes(p.x0, output, outOff, len);
-        reset();
     }
 
     protected int hash(byte[] output, int outOff, int outLen)

core/src/main/java/org/bouncycastle/crypto/digests/AsconCXof128.java

@@ -1,7 +1,6 @@
 package org.bouncycastle.crypto.digests;
 
 import org.bouncycastle.crypto.DataLengthException;
-import org.bouncycastle.crypto.OutputLengthException;
 import org.bouncycastle.crypto.Xof;
 import org.bouncycastle.util.Pack;