Fix Tiling in `ConsistencyDecoderVAE` (#7290)
* Fix typos
* Add docstring to `decode` method in `ConsistencyDecoderVAE`
* Fix tiling
* Enable tiled VAE decoding with customizable tile sample size and overlap factor
* Revert "Enable tiled VAE decoding with customizable tile sample size and overlap factor"
This reverts commit 181049675e83cea7b33ae2bbeba2aff7ae1b1761.
* Add VAE tiling test for `ConsistencyDecoderVAE`
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Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
