[BUG]Error when removing an operation or attempting to revert an unsuccessful modification

### Release version

v6.0.1.4

### Describe the bug

When attempting to publish an API by removing operations, an ‘operation not found’ error occurs, breaking the entire publishing process and leaving the API in an inconsistent state.

`
##[error]System.Net.Http.HttpRequestException: HTTP request to URI [https://***/policies/policy?api-version=2023-09-01-preview](https://%2A%2A%2A/policies/policy?api-version=2023-09-01-preview) failed with status code 404.
`
Content is '{"error":{"code":"ResourceNotFound","message":"Operation not found.","details":null}}'.

### Expected behavior

No error should occur, only a warning, upon attempts to remove a non-existent operation or to rollback all preceding operations

### Actual behavior

Error when attempting to publish an API by removing operations:

`
Content is '{"error":{"code":"ResourceNotFound","message":"Operation not found.","details":null}}'.
`

### Reproduction Steps

remove operation xml polices and operations path from specification.json and then publish