'**SUMMARY**
Remove an image, array, or tuple from the model.
**PARAMETERS**
* *data* - An image, array, or tupple of value.
**RETURNS**
Nothings.
**EXAMPLE**
>>> cm = ColorModel()
>>> cm.add(Image("lenna))
>>> cm.remove(Color.BLACK)'

def remove(self, data):

    self.mData = dict.fromkeys((set(self.mData) ^ set(self._makeCanonical(data))), 1)
