Add no-print util

[keoskate]

Create a printing utility for hiding elements when printing.

GUS Work Item: W-5697794
TD-0055144: Hide Lightning Header for Browser Print

[salesforce-cla]

Thanks for the contribution! Unfortunately we can't verify the commit author(s): keion <k***@s***.com>. One possible solution is to add that email to your GitHub account. Alternatively you can change your commits to another email and force push the change. After getting your commits associated with your GitHub account, refresh the status of this Pull Request.

[salesforce-cla]

Thanks for the contribution! It looks like @keoskate is an internal user so signing the CLA is not required. However, we need to confirm this.

[amateurhuman]

@keoskate You've been invited to the org, once you accept you can refresh the CLA check by going to https://cla.salesforce.com/status/salesforce-ux/design-system/pull/602

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed in 7 days if no further activity occurs. If you still need help with your issue, please comment and we will reply to you shortly. Thank you for your contributions to the Salesforce Lightning Design System.