Remove unused variable.
Remove unused variable.

Change-Id: Ia28a1abe893a803ad27c7b89bd90b7e24aa9cda8

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