• Package Name: Custom Vision
• Package Version: 2.0.0
• Operating System: Linux
• Python Version: 3.6

Describe the bug
azure-cognitiveservices-vision-customvision 2.0.0 on PyPi mentions:

CustomVisionTrainingClient cannot be imported from `azure.cognitiveservices.vision.customvision.training anymore` (import from `azure.cognitiveservices.vision.customvision` works like before)

To Reproduce
Steps to reproduce the behavior:
from azure.cognitiveservices.vision.customvision import CustomVisionTrainingClient

ImportError: cannot import name 'CustomVisionTrainingClient'

Importing it from azure.cognitiveservices.vision.customvision.training works.

Expected behavior
Importing from azure.cognitiveservices.vision.customvision should work, or it should be updated in the documentation.

Additional context
Related to #11503