Remove unused variable never used
Remove unused variable never used

Was introduced in de8bae9 (gpu.c: compute mapping to shared/private
memory tile up front, Thu Jul 25 16:22:39 2013 +0200) without any use.

Signed-off-by: Tobias Grosser <059b8b880f8441509ec8a65b50b4c6ae74ebea76@grosser.es>
Signed-off-by: Sven Verdoolaege <e5350bbed4977f5eb8ae1dc6abd9ae59d21ace75@kotnet.org>

Meinersbur/ppcg,nicolasvasilache/ppcg,nicolasvasilache/ppcg,Meinersbur/ppcg