Remove preview version for Deid (Azure#32285)

Co-authored-by: Josiah Vinson <[email protected]>

Author: jovinson-ms

specification/healthdataaiservices/data-plane/HealthDataAIServices.DeidServices/preview/2024-07-12-preview/HealthDataAIServices.DeidServices.json

@@ -42,15 +42,6 @@ input-file:
   - stable/2024-11-15/HealthDataAIServices.DeidServices.json
 ```
 
-### Tag: package-2024-07-12-preview
-
-These settings apply only when `--tag=package-2024-07-12-preview` is specified on the command line.
-
-```yaml $(tag) == 'package-2024-07-12-preview'
-input-file:
-  - preview/2024-07-12-preview/HealthDataAIServices.DeidServices.json
-```
-
 ---
 
 # Code Generation