message: [XLA] Mark 1D/2D/3D FFT operations as fully supported.
diff: @@ -1368,8 +1368,7 @@ array with the same shape. It is allowed for `operand` to be a scalar (rank 0).
  The XLA FFT operation implements the forward and inverse Fourier Transforms for
  real and complex inputs/outputs. Multidimensional FFTs on up to 3 axes are
  -supported, except on TPU, where only a single axis is supported (please file a
  -GitHub issue if you require higher order).
  +supported.
  See also
  [`XlaBuilder::Fft`](https://www.tensorflow.org/code/tensorflow/compiler/xla/client/xla_builder.h).
  