Revert "[Communication] Adding 2022-02-01 NetworkTraversal API version for General Availability (Azure#16946)" (Azure#17911)

This reverts commit 1824478.

Author: ajpeacock0

specification/communication/data-plane/NetworkTraversal/readme.md

@@ -58,15 +58,6 @@ input-file:
   - preview/2021-10-08-preview/CommunicationNetworkTraversal.json
 ```
 
-### Tag: package-2022-02-01
-
-These settings apply only when `--tag=package-2022-02-01` is specified on the command line.
-
-```yaml $(tag) == 'package-2022-02-01'
-input-file:
-  - stable/2022-02-01/CommunicationNetworkTraversal.json
-```
-
 ---
 
 # Code Generation