isl_bernstein.c: remove unused variable
isl_bernstein.c: remove unused variable

Signed-off-by: Sven Verdoolaege <e5350bbed4977f5eb8ae1dc6abd9ae59d21ace75@kotnet.org>

nicolasvasilache/isl,tobig/isl,tobig/isl,evaautomation/isl,crossbuild/isl,inducer/isl-mirror,UBERTC/isl,BenzoSM/isl,Distrotech/isl,evaautomation/isl,jleben/isl,PollyLabs/isl,cfx-next/toolchain_isl-upstream,jleben/isl,VanirLLVM/toolchain_isl,jleben/isl,epowers/isl,pierrotdelalune/isl,Distrotech/isl,pierrotdelalune/isl,Distrotech/isl,UBERTC/isl,simbuerg/isl,cfx-next/toolchain_isl-upstream,BenzoSM/isl,simbuerg/isl,inducer/isl-mirror,simbuerg/isl,serge-sans-paille/isl,pierrotdelalune/isl,Meinersbur/isl,BenzoSM/isl,KangDroidSMProject/ISL,abduld/isl,epowers/isl,nicolasvasilache/isl,abduld/isl,BobSaget-Mod/libisl,tobig/isl,KangDroidSMProject/ISL,tobig/isl,Meinersbur/isl,BobSaget-Mod/libisl,jleben/isl,inducer/isl-mirror,epowers/isl,Distrotech/isl,epowers/isl,simbuerg/isl,evaautomation/isl,cfx-next/toolchain_isl-upstream,epowers/isl,VanirLLVM/toolchain_isl,inducer/isl-mirror,nicolasvasilache/isl,SaberMod/isl-current,evaautomation/isl,BenzoSM/isl,UBERTC/isl,abduld/isl,VanirLLVM/toolchain_isl,VanirLLVM/toolchain_isl,SaberMod/isl-current,SaberMod/isl-current,PollyLabs/isl,nicolasvasilache/isl,pierrotdelalune/isl,cfx-next/toolchain_isl-upstream,SaberMod/isl-current,crossbuild/isl,serge-sans-paille/isl,serge-sans-paille/isl,jleben/isl,cfx-next/toolchain_isl-upstream,Distrotech/isl,KangDroidSMProject/ISL,serge-sans-paille/isl,KangDroidSMProject/ISL,crossbuild/isl,BobSaget-Mod/libisl,PollyLabs/isl,pierrotdelalune/isl,PollyLabs/isl,PollyLabs/isl,abduld/isl,crossbuild/isl,inducer/isl-mirror,BobSaget-Mod/libisl,serge-sans-paille/isl,nicolasvasilache/isl,BenzoSM/isl,VanirLLVM/toolchain_isl,Meinersbur/isl,Meinersbur/isl,KangDroidSMProject/ISL,simbuerg/isl,UBERTC/isl,BobSaget-Mod/libisl