Removed shape check from mask

hub/schema/mask.py

@@ -42,7 +42,6 @@ def __init__(
             If default value is chosen, automatically detects how to split into chunks
 
         """
-        self._check_shape(shape)
         super().__init__(
             shape,
             "bool_",
@@ -51,13 +50,6 @@ def __init__(
             compressor=compressor,
         )
 
-    def _check_shape(self, shape):
-        """Check if provided shape  maches mask characteristics."""
-        if len(shape) != 3 or shape[-1] != 1:
-            raise ValueError(
-                "Wrong mask shape provided, should be of the format (height, width, 1) where height and width are integers or None"
-            )
-
     def __str__(self):
         out = super().__str__()
         out = "Mask" + out[6:]