message: remove unused lookup tables
diff: @@ -52,17 +52,6 @@ static const uint8_t remainder_masks[] = {
  255, // 0b11111111,
  };
  -//! Left shifts
  -static const uint8_t shifts[] = {0, // unused
  - 7, 6, 5, 4, 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0};
  -
  -//! Right shifts
  -//! Right shift the values to cut off the mask when SIZE + index exceeds 8
  -static const uint8_t right_shifts[] = {
  - 0, 0, 0, 0, 0, 0, 0, 0, 0, // no-op
  - 1, 2, 3, 4, 5, 6, 7, 8,
  -};
  -
  struct BitReader {
  public:
  public:
  