Cherry pick branch 'genexuslabs:gamsaml20' into beta

Author: sgrampone

gamsaml20/src/main/java/com/genexus/saml20/RedirectBinding.java

@@ -1,7 +1,6 @@
 package com.genexus.saml20;
 
 import com.genexus.saml20.utils.*;
-import com.genexus.utils.*;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.bouncycastle.crypto.Signer;