ImportError: cannot import name 'DeploymentWhatIf' from 'azure.mgmt.resource.resources.models'

- **Package Name**:
- azure-mgmt-resource
- **Package Version**:
- 25.0.0
- **Operating System**:
- Linux
- **Python Version**:
- 3.11
**Describe the bug**
Before release of this version , "from azure.mgmt.resource.resources.models import DeploymentWhatIf, DeploymentWhatIfProperties" was working as expected.
Now it is throwing "ImportError: cannot import name 'DeploymentWhatIf' from 'azure.mgmt.resource.resources.models'" error

**To Reproduce**
Steps to reproduce the behavior:
1. Just run a python script importing - "from azure.mgmt.resource.resources.models import DeploymentWhatIf, DeploymentWhatIfProperties"
2. use 'DeploymentWhatIf'
3. when you execute the code it will download the latest 'azure-mgmt-resource'
4. Where it throws the "ImportError: cannot import name 'DeploymentWhatIf' from 'azure.mgmt.resource.resources.models'"
5. Looks like 'DeploymentWhatIf' is removed.

**Expected behavior**
It was running previous a day before this version release now started to throw the error.

**Screenshots**
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**Additional context**
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