Remove dead links from the documents (#789)

CONTRIBUTING.md

@@ -4,9 +4,8 @@ We welcome contributions from the community and first want to thank you for taki
 
 Please familiarize yourself with the [Code of Conduct](https://github.com/vmware/.github/blob/main/CODE_OF_CONDUCT.md) before contributing.
 
-Before you start working with tanzu-cli, please read and sign our Contributor License Agreement [CLA](https://cla.vmware.com/cla/1/preview). If you wish to
-contribute code and you have not signed our contributor license agreement (CLA), our bot will prompt you to do so when you open a Pull Request. For any
-questions about the CLA process, please refer to our [FAQ](https://cla.vmware.com/faq).
+Before you start working with tanzu-cli, please read and sign our Contributor License Agreement. If you wish to
+contribute code and you have not signed our contributor license agreement (CLA), our bot will prompt you to do so when you open a Pull Request.
 
 ## Ways to contribute