fix(popovers): Remove StylingHooksTables from docs (#4676)

Author: fredboyle

ui/components/popovers/docs.mdx

@@ -13,7 +13,6 @@ import * as FeatureExamples from './feature/example';
 import * as PreviewPanelExamples from './panels/example';
 import * as PromptExamples from './prompt/example';
 import { getDisplayElementById } from '../../shared/helpers';
-import StylingHooksTable from '../../../shared/components/StylingHooksTable';
 
 <div className="doc lead">
   A popover is a non-modal dialog. The component should be paired with a
@@ -343,5 +342,3 @@ Panel Popovers can be shown on mouse hover but for keyboard or screen reader use
 
   <p>For this particular use case, the <code>--slds-c-popover-position-zindex</code> <a href="/platforms/lightning/styling-hooks/">Styling Hook</a> allows developers to change the z-index value. <strong>Please note</strong>: when this value is changed, the responsibility is on the developer to maintain the CSS stacking order.</p>
 </Blockquote>
-
-<StylingHooksTable name="popovers" type="component" />