Do not attempt to sign the catalog for the compatibility profile module

PR Summary

Don't sign the catalog for the compatibility, we are not shipping this module in the gallery yet, and it's causing some difficulties in the vsts sign build process.

PR Checklist

• PR has a meaningful title
  • Use the present tense and imperative mood when describing your changes
• Summarized changes
• Change is not breaking
• Make sure all.cs,.ps1 and.psm1 files have the correct copyright header
• Make sure you've added a new test if existing tests do not effectively test the code changed and/or updated documentation
• This PR is ready to merge and is notWork in Progress.
  • If the PR is work in progress, please add the prefixWIP: to the beginning of the title and remove the prefix when the PR is ready.