Removed code related to piecewise linear functionality that will go in a separate PR
Removed code related to piecewise linear functionality that will go in a separate PR


Former-commit-id: 76f5529a6a1ea8fb2f125d4927e544e2b9e104cf
darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide