[docs] AnimateDiff FreeNoise (#9414)
* update docs
* apply suggestions from review
* Update docs/source/en/api/pipelines/animatediff.md
Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>
* Update docs/source/en/api/pipelines/animatediff.md
Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>
* Update docs/source/en/api/pipelines/animatediff.md
Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>
* apply suggestions from review
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Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>