remove __init__ in dump and flatten

Author: ayasyrev

src/model_constructor/layers.py

@@ -21,9 +21,6 @@
 class Flatten(nn.Module):
     """flat x to vector"""
 
-    def __init__(self):
-        super().__init__()
-
     def forward(self, x):
         return x.view(x.size(0), -1)
 
@@ -36,9 +33,6 @@ def noop(x):
 class Noop(nn.Module):
     """Dummy module"""
 
-    def __init__(self):
-        super().__init__()
-
     def forward(self, x):
         return x