remove autoconfig

Signed-off-by: shiyu22 <shiyu.chen@zilliz.com>

image_embedding_resnet50.py

@@ -1,15 +1,10 @@
-from towhee import pipe, ops, AutoPipes, AutoConfig
-
-@AutoConfig.register
-class ImageEmbeddingConfig:
-    def __init__(self):
-        self.model = 'resnet50'
+from towhee import pipe, ops, AutoPipes
 
 @AutoPipes.register
-def ImageEmbedding(config):
+def ImageEmbedding():
     return (
         pipe.input('path')
         .map('path', 'img', ops.image_decode())
-        .map('img', 'embedding', ops.image_embedding.timm(model_name=config.model))
+        .map('img', 'embedding', ops.image_embedding.timm(model_name='resnet50'))
         .output('embedding')
     )