docs(material/tabs): remove duplicated tabs example (#30109)

This commit drops the tab-group-inverted-example in favor of the identical tab-group-header-below to be consistent with the allowed inputs for `headerPosition`

(cherry picked from commit 79cb445)

Author: andgdk

src/components-examples/material/tabs/index.ts

@@ -4,13 +4,12 @@ export {TabGroupAsyncExample} from './tab-group-async/tab-group-async-example';
 export {TabGroupBasicExample} from './tab-group-basic/tab-group-basic-example';
 export {TabGroupCustomLabelExample} from './tab-group-custom-label/tab-group-custom-label-example';
 export {TabGroupDynamicHeightExample} from './tab-group-dynamic-height/tab-group-dynamic-height-example';
-export {TabGroupHarnessExample} from './tab-group-harness/tab-group-harness-example';
 export {TabGroupDynamicExample} from './tab-group-dynamic/tab-group-dynamic-example';
+export {TabGroupHarnessExample} from './tab-group-harness/tab-group-harness-example';
 export {TabGroupHeaderBelowExample} from './tab-group-header-below/tab-group-header-below-example';
+export {TabGroupInkBarExample} from './tab-group-ink-bar/tab-group-ink-bar-example';
 export {TabGroupLazyLoadedExample} from './tab-group-lazy-loaded/tab-group-lazy-loaded-example';
+export {TabGroupPaginatedExample} from './tab-group-paginated/tab-group-paginated-example';
 export {TabGroupPreserveContentExample} from './tab-group-preserve-content/tab-group-preserve-content-example';
 export {TabGroupStretchedExample} from './tab-group-stretched/tab-group-stretched-example';
 export {TabNavBarBasicExample} from './tab-nav-bar-basic/tab-nav-bar-basic-example';
-export {TabGroupPaginatedExample} from './tab-group-paginated/tab-group-paginated-example';
-export {TabGroupInvertedExample} from './tab-group-inverted/tab-group-inverted-example';
-export {TabGroupInkBarExample} from './tab-group-ink-bar/tab-group-ink-bar-example';

src/components-examples/material/tabs/tab-group-header-below/tab-group-header-below-example.ts

@@ -2,7 +2,7 @@ import {Component} from '@angular/core';
 import {MatTabsModule} from '@angular/material/tabs';
 
 /**
- * @title Tab group with the headers on the bottom
+ * @title Tab group with headers below the content
  */
 @Component({
   selector: 'tab-group-header-below-example',

src/components-examples/material/tabs/tab-group-inverted/tab-group-inverted-example.html

@@ -20,9 +20,7 @@ <h3>Tab navigation bar basic</h3>
 <tab-nav-bar-basic-example></tab-nav-bar-basic-example>
 <h3>Paginated Tabs</h3>
 <tab-group-paginated-example></tab-group-paginated-example>
-<h3>Inverted Tabs</h3>
-<tab-group-inverted-example></tab-group-inverted-example>
 <h3>Ink bar fit to content</h3>
 <tab-group-ink-bar-example></tab-group-ink-bar-example>
-<h3>Tab group with the headers on the bottom</h3>
+<h3>Tab group with headers below the content</h3>
 <tab-group-header-below-example></tab-group-header-below-example>

src/components-examples/material/tabs/tab-group-inverted/tab-group-inverted-example.ts

@@ -16,7 +16,6 @@ import {
   TabGroupDynamicHeightExample,
   TabGroupHeaderBelowExample,
   TabGroupInkBarExample,
-  TabGroupInvertedExample,
   TabGroupLazyLoadedExample,
   TabGroupPaginatedExample,
   TabGroupStretchedExample,
@@ -30,7 +29,6 @@ import {MatTabsModule} from '@angular/material/tabs';
   templateUrl: 'tabs-demo.html',
   imports: [
     TabGroupInkBarExample,
-    TabGroupInvertedExample,
     TabGroupPaginatedExample,
     TabNavBarBasicExample,
     TabGroupStretchedExample,