[C++] The "ConcatenateBuffers" has been depreated and removed but the API declaration still exists

### Describe the bug, including details regarding any error messages, version, and platform.

See: https://github.com/apache/arrow/blob/master/cpp/src/arrow/buffer.h#L508-L510

The variant that returns a `Status` has been removed in https://github.com/apache/arrow/commit/ab93ba1f901ad6a2ce3d34404e6b46d2539507db

### Component(s)

C++