Revert "[to #42322933]formalize image matting"

This reverts commit de3ea0db54.

modelscope/pipelines/cv/image_matting_pipeline.py

@@ -7,7 +7,7 @@ import PIL
 
 from modelscope.pipelines.base import Input
 from modelscope.preprocessors import load_image
-from modelscope.utils.constant import TF_GRAPH_FILE, Tasks
+from modelscope.utils.constant import Tasks
 from modelscope.utils.logger import get_logger
 from ..base import Pipeline
 from ..builder import PIPELINES
@@ -24,7 +24,7 @@ class ImageMattingPipeline(Pipeline):
         import tensorflow as tf
         if tf.__version__ >= '2.0':
             tf = tf.compat.v1
-        model_path = osp.join(self.model, TF_GRAPH_FILE)
+        model_path = osp.join(self.model, 'matting_person.pb')
 
         config = tf.ConfigProto(allow_soft_placement=True)
         config.gpu_options.allow_growth = True

modelscope/utils/constant.py

@@ -75,12 +75,3 @@ class Hubs(object):
 # in order to avoid conflict with huggingface
 # config file we use maas_config instead
 CONFIGFILE = 'maas_config.json'
-
-README_FILE = 'README.md'
-TF_SAVED_MODEL_FILE = 'saved_model.pb'
-TF_GRAPH_FILE = 'tf_graph.pb'
-TF_CHECKPOINT_FOLDER = 'tf_ckpts'
-TF_CHECKPOINT_FILE = 'checkpoint'
-TORCH_MODEL_FILE = 'pytorch_model.bin'
-TENSORFLOW = 'tensorflow'
-PYTORCH = 'pytorch'