At this time you cannot completely remove your photo, however you can change it to a default picture such as your favorite pet or a standard image.
To de-link your image in the Class App:
Click on your image in the left corner
Click on your name
Click on the edit icon in your image in the left corner
You will be prompted to either select a photo or to take a photo. Once you have selected your photo click “done” in the lower right corner.