Update teradata-qs.md

remove repeated 'and'. committing directly

website/docs/guides/teradata-qs.md

@@ -458,7 +458,7 @@ Now that you've built your customer model, you need to commit the changes you ma
 1. Click the **Commit and sync git** button. This action prepares your changes for commit.
 2. A modal titled **Commit to a new branch** will appear.
 3. In the modal window, name your new branch `add-customers-model`. This branches off from your primary branch with your new changes.
-4. Add a commit message, such as "Add customers model, tests, docs" and and commit your changes.
+4. Add a commit message, such as "Add customers model, tests, docs" and commit your changes.
 5. Click **Merge this branch to main** to add these changes to the main branch on your repo.