[Images] Remove 'clip' from the list of depdencies since pypi doesn't allow it (#766)

embedchain/models/clip_processor.py

@@ -3,7 +3,9 @@ try:
     import torch
     from PIL import Image, UnidentifiedImageError
 except ImportError:
-    raise ImportError("Images requires extra dependencies. Install with `pip install embedchain[images]`") from None
+    raise ImportError(
+        "Images requires extra dependencies. Install with `pip install 'embedchain[images]' git+https://github.com/openai/CLIP.git#a1d0717`"  # noqa: E501
+    ) from None
 
 MODEL_NAME = "ViT-B/32"