clean some unnecessary dependencies

requirements.txt

@@ -1,6 +1,4 @@
 transformers>=4.28.1
-fsspec>=2023.4.0
-kornia>=0.6.9
 open-clip-torch>=2.24.0
 Pillow>=9.4.0
 pytorch-lightning>=2.2.1

sgm/modules/encoders/modules.py

@@ -2,7 +2,7 @@ from contextlib import nullcontext
 from functools import partial
 from typing import Dict, List, Optional, Tuple, Union
 
-import kornia
+#import kornia
 import numpy as np
 import open_clip
 import torch

sgm/util.py

@@ -4,7 +4,7 @@ import os
 from functools import partial
 from inspect import isfunction
 
-import fsspec
+#import fsspec
 import numpy as np
 import torch
 from PIL import Image, ImageDraw, ImageFont