[Fix] remove setting lr for T5 text encoder when using prodigy in flux dreambooth lora script (#9473)
* fix: removed setting of text encoder lr for T5 as it's not being tuned
* fix: removed setting of text encoder lr for T5 as it's not being tuned
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Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
Co-authored-by: Linoy Tsaban <57615435+linoytsaban@users.noreply.github.com>