Not withdrawn as that implies expulsion from the Party. Rather, she has been sent to sit on the naughty step and the whip has been suspended.
The Guardian says the following about the other racist incident
Earlier this year, Morris distanced herself from comments made by her electoral agent and partner, Roger Kendrick, who told a hustings event that “the crisis in education was due entirely to non-British-born immigrants and their high birth rates”.
So she isn't racist, but her partner might be. She is clearly 'unintentional' though....