Removed comment and TODO from buffer_t definition
Removed comment and TODO from buffer_t definition

Former-commit-id: 7fd29f6112a3ca86a7eb029c3d7c1a5aa9d72ebe
darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide