isl_map.c remove unused isl_set_swap_vars
isl_map.c remove unused isl_set_swap_vars

It was introduced (but already unused) in the initial commit and was made
private in 90862d1 (add private isl_basic_map_swap_vars,
Wed Mar 9 10:33:55 2011 +0100).

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

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