RFR(T/XXS): 8206113 "Troubles configuring graal tests"

[Ekaterina Pavlova]

Hello,

Please review the trivial fix which removes useless message.
Other configure/product issues mentioned in the bug were
addressed by JDK-8206135.

       JBS: https://bugs.openjdk.java.net/browse/JDK-8206113
    webrev: http://cr.openjdk.java.net/~epavlova//8206113/webrev.00/index.html
   testing: graal tiers


thanks,
-katya