Update on_device_README.md

Update back to HF paths

docs/m4t/on_device_README.md

@@ -9,8 +9,8 @@ This folder contains an example to run an exported small model covering most tas
 ## Overview
 | Model   | Checkpoint | Num Params | Disk Size | Supported Tasks         | Supported Languages|
 |---------|------------|----------|-------------|------------|-------------------------|
-| UnitY-Small|[🤗 Model card](https://huggingface.co/facebook/seamless-m4t-unity-small) - [checkpoint](https://dl.fbaipublicfiles.com/seamlessM4T/models/small_fixed/unity_on_device.ptl) | 281M | 747MB        | S2ST, S2TT, ASR |eng, fra, hin, por, spa|
-| UnitY-Small-S2T |[🤗 Model card](https://huggingface.co/facebook/seamless-m4t-unity-small-s2t) - [checkpoint](https://dl.fbaipublicfiles.com/seamlessM4T/models/small_fixed/unity_on_device_s2t.ptl) | 235M | 481MB        | S2TT, ASR    |eng, fra,hin,  por, spa|
+| UnitY-Small|[🤗 Model card](https://huggingface.co/facebook/seamless-m4t-unity-small) - [checkpoint](https://huggingface.co/facebook/seamless-m4t-unity-small/resolve/main/unity_on_device.ptl) | 281M | 747MB        | S2ST, S2TT, ASR |eng, fra, hin, por, spa|
+| UnitY-Small-S2T |[🤗 Model card](https://huggingface.co/facebook/seamless-m4t-unity-small-s2t) - [checkpoint](https://huggingface.co/facebook/seamless-m4t-unity-small-s2t/resolve/main/unity_on_device_s2t.ptl) | 235M | 481MB        | S2TT, ASR    |eng, fra,hin,  por, spa|
 
 UnitY-Small-S2T is a pruned version of UnitY-Small without 2nd pass unit decoding.