message: Remove unneeded buffer view accessors
diff: @@ -28,18 +28,6 @@ public:
  const char *data() const { return data_; }
  size_t size() const { return size_; }
  - // Helper accessors
  - char &operator[](size_t pos) { return data_[pos]; }
  - const char &operator[](size_t pos) const { return data_[pos]; }
  - char *begin() { return data_; }
  - const char *begin() const { return data_; }
  - const char *cbegin() const { return data_; }
  - char *end() { return data_ + size_; }
  - const char *end() const { return data_ + size_; }
  - const char *cend() const { return data_ + size_; }
  -
  - std::string str() const { return std::string(cbegin(), cend()); }
  -
  protected:
  View() {}
  View(char *data, size_t size) : data_{data}, size_{size} {}
  