Update config for diffusers AutoencoderRAE refactor

Update config.json to match the refactored AutoencoderRAE API in diffusers:

- Added: encoder_type, encoder_hidden_size, encoder_patch_size, encoder_norm_mean, encoder_norm_std
- Removed: encoder_cls, encoder_name_or_path (no longer needed - encoder is built from config, not downloaded during __init__)

This allows AutoencoderRAE.from_pretrained() to work without any network calls to download HF encoder weights separately.

config.json

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:11c318283ead1325294ba35577b853304646d1e6e56f641fbd54dc70fa06d070
-size 15541573
+oid sha256:1fcdf538f99f7c0ba6ae2655ceb6635852d29bbe048c4f17a8a0efeb6e6b0465
+size 15541689