Remove unused variable.
Remove unused variable.

Change-Id: I16288843e36faa2e8816b46349f65737a0ccab49
Reviewed-on: http://gerrit.aldebaran.lan:8080/3604
Reviewed-by: cgestes <ddb78fe00abb42f91254c16a0860e38eb0781789@aldebaran-robotics.com>
Tested-by: cgestes <ddb78fe00abb42f91254c16a0860e38eb0781789@aldebaran-robotics.com>

aldebaran/libqi-java,aldebaran/libqi-java,aldebaran/libqi-java,aldebaran/libqi,vbarbaresi/libqi,aldebaran/libqi,bsautron/libqi,aldebaran/libqi