Remove ToC from pages when we don't have (m)any headers.

site/docs/4.2/utilities/clearfix.md

@@ -3,7 +3,6 @@ layout: docs
 title: Clearfix
 description: Quickly and easily clear floated content within a container by adding a clearfix utility.
 group: utilities
-toc: true
 ---
 
 Easily clear `float`s by adding `.clearfix` **to the parent element**. Can also be used as a mixin.

site/docs/4.2/utilities/close-icon.md

@@ -3,7 +3,6 @@ layout: docs
 title: Close icon
 description: Use a generic close icon for dismissing content like modals and alerts.
 group: utilities
-toc: true
 ---
 
 **Be sure to include text for screen readers**, as we've done with `aria-label`.

site/docs/4.2/utilities/image-replacement.md

@@ -3,7 +3,6 @@ layout: docs
 title: Image replacement
 description: Swap text for background images with the image replacement class.
 group: utilities
-toc: true
 ---
 
 {% capture callout %}

site/docs/4.2/utilities/overflow.md

@@ -3,7 +3,6 @@ layout: docs
 title: Overflow
 description: Use these shorthand utilities for quickly configuring how content overflows an element.
 group: utilities
-toc: true
 ---
 
 Barebones `overflow` functionality is provided for two values by default, and they are not responsive.

site/docs/4.2/utilities/screenreaders.md

@@ -3,7 +3,6 @@ layout: docs
 title: Screenreaders
 description: Use screenreader utilities to hide elements on all devices except screen readers.
 group: utilities
-toc: true
 ---
 
 Hide an element to all devices **except screen readers** with `.sr-only`. Combine `.sr-only` with `.sr-only-focusable` to show the element again when it's focused (e.g. by a keyboard-only user). Can also be used as mixins.

site/docs/4.2/utilities/shadows.md

@@ -3,7 +3,6 @@ layout: docs
 title: Shadows
 description: Add or remove shadows to elements with box-shadow utilities.
 group: utilities
-toc: false
 ---
 
 ## Examples