[Key Vault] Metapackage cleanup (#42101)

Author: mccoyp

sdk/keyvault/azure-keyvault/README.md

@@ -43,5 +43,4 @@ see the Code of Conduct FAQ or contact [email protected] with any
 additional questions or comments.
 
 [code_of_conduct]: https://opensource.microsoft.com/codeofconduct/
-
-
+[pip]: https://pypi.org/project/azure-keyvault/

sdk/keyvault/azure-keyvault/setup.py

@@ -16,7 +16,7 @@
 
 setup(
     name='azure-keyvault',
-    version='4.2.1b1',
+    version='4.2.0',
     description='Microsoft Azure Key Vault Client Libraries for Python',
     long_description=README + "\n\n" + CHANGELOG,
     long_description_content_type="text/markdown",