[Q] How do I hide notifications for Wi-Fi Calling?

I want to keep the Wi-Fi Calling option enabled, but I don't want to see notifications for it. How can I automatically hide them (preferably without rooting my phone)?

Specs:

* T-Mobile Classic Unlimited - Unlimited Nationwide 4G
* Android 4.04 Ice Cream Sandwich
* Galaxy SIII SGH-T999