Remove unused variable
Remove unused variable

Change-Id: Ib5f5204d63a00455a835880dbe54be6e4fbc5587
Reviewed-on: http://gerrit.aldebaran.lan:8080/8326
Reviewed-by: proullon <ffff9135679d397f48dd743107119b1f6fc32d3d@aldebaran-robotics.com>
Tested-by: proullon <ffff9135679d397f48dd743107119b1f6fc32d3d@aldebaran-robotics.com>

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