Remove extraneous comma from cmake support file.
Remove extraneous comma from cmake support file.


Former-commit-id: 6d1e9c921bbd4a81f81884a88aaff8b11dfafc41
darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide