Removed a redundant unwrapping from lower.ml
Removed a redundant unwrapping from lower.ml


Former-commit-id: 124243b068975f25644168c6f28cdd9ec11510fb
Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide