Remove metis from the default list of scons targets.
Remove metis from the default list of scons targets.

solvcon/solvcon,solvcon/solvcon,solvcon/solvcon,yungyuc/solvcon,yungyuc/solvcon,solvcon/solvcon,solvcon/solvcon,solvcon/solvcon,yungyuc/solvcon,yungyuc/solvcon,yungyuc/solvcon,yungyuc/solvcon