ci: Remove unnecessary comment

Author: deadlydog

.github/workflows/build-and-test-powershell-module.yml

@@ -53,7 +53,6 @@ jobs:
       - name: Checkout the repo source code
         uses: actions/checkout@v4
 
-      # If you do not want to use spellcheck, delete this step and the .cspell.json file in the repository root.
       - name: Run spellcheck
         uses: streetsidesoftware/cspell-action@v5