Cleaned up let value peeling inside Simplify.cpp
Cleaned up let value peeling inside Simplify.cpp


Former-commit-id: 6f45bed63f89f5449368c31728b33ed84b5761d1
darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide