Update vae config to remove unused parameters (#9)

- Update vae config to remove unused parameters (102080da924c0ab684abeeca4b061ec7dfb7d40c)


Co-authored-by: Aryan V S <[email protected]>

vae/config.json

@@ -20,11 +20,9 @@
   "latents_mean": null,
   "latents_std": null,
   "layers_per_block": 3,
-  "mid_block_add_attention": true,
   "norm_eps": 1e-06,
   "norm_num_groups": 32,
   "out_channels": 3,
-  "sample_size": 256,
   "scaling_factor": 1.15258426,
   "shift_factor": null,
   "temporal_compression_ratio": 4,