carousel.md: Remove duplicate bd-example div. (#29341)

The example shortcode already adds this.

site/content/docs/4.3/components/carousel.md

@@ -110,45 +110,43 @@ You can also add the indicators to the carousel, alongside the controls, too.
 Add captions to your slides easily with the `.carousel-caption` element within any `.carousel-item`. They can be easily hidden on smaller viewports, as shown below, with optional [display utilities]({{< docsref "/utilities/display" >}}). We hide them initially with `.d-none` and bring them back on medium-sized devices with `.d-md-block`.
 
 {{< example >}}
-<div class="bd-example">
-  <div id="carouselExampleCaptions" class="carousel slide" data-ride="carousel">
-    <ol class="carousel-indicators">
-      <li data-target="#carouselExampleCaptions" data-slide-to="0" class="active"></li>
-      <li data-target="#carouselExampleCaptions" data-slide-to="1"></li>
-      <li data-target="#carouselExampleCaptions" data-slide-to="2"></li>
-    </ol>
-    <div class="carousel-inner">
-      <div class="carousel-item active">
-        {{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#555" background="#777" text="First slide" >}}
-        <div class="carousel-caption d-none d-md-block">
-          <h5>First slide label</h5>
-          <p>Nulla vitae elit libero, a pharetra augue mollis interdum.</p>
-        </div>
+<div id="carouselExampleCaptions" class="carousel slide" data-ride="carousel">
+  <ol class="carousel-indicators">
+    <li data-target="#carouselExampleCaptions" data-slide-to="0" class="active"></li>
+    <li data-target="#carouselExampleCaptions" data-slide-to="1"></li>
+    <li data-target="#carouselExampleCaptions" data-slide-to="2"></li>
+  </ol>
+  <div class="carousel-inner">
+    <div class="carousel-item active">
+      {{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#555" background="#777" text="First slide" >}}
+      <div class="carousel-caption d-none d-md-block">
+        <h5>First slide label</h5>
+        <p>Nulla vitae elit libero, a pharetra augue mollis interdum.</p>
       </div>
-      <div class="carousel-item">
-        {{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#444" background="#666" text="Second slide" >}}
-        <div class="carousel-caption d-none d-md-block">
-          <h5>Second slide label</h5>
-          <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>
-        </div>
+    </div>
+    <div class="carousel-item">
+      {{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#444" background="#666" text="Second slide" >}}
+      <div class="carousel-caption d-none d-md-block">
+        <h5>Second slide label</h5>
+        <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>
       </div>
-      <div class="carousel-item">
-        {{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#333" background="#555" text="Third slide" >}}
-        <div class="carousel-caption d-none d-md-block">
-          <h5>Third slide label</h5>
-          <p>Praesent commodo cursus magna, vel scelerisque nisl consectetur.</p>
-        </div>
+    </div>
+    <div class="carousel-item">
+      {{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#333" background="#555" text="Third slide" >}}
+      <div class="carousel-caption d-none d-md-block">
+        <h5>Third slide label</h5>
+        <p>Praesent commodo cursus magna, vel scelerisque nisl consectetur.</p>
       </div>
     </div>
-    <a class="carousel-control-prev" href="#carouselExampleCaptions" role="button" data-slide="prev">
-      <span class="carousel-control-prev-icon" aria-hidden="true"></span>
-      <span class="sr-only">Previous</span>
-    </a>
-    <a class="carousel-control-next" href="#carouselExampleCaptions" role="button" data-slide="next">
-      <span class="carousel-control-next-icon" aria-hidden="true"></span>
-      <span class="sr-only">Next</span>
-    </a>
   </div>
+  <a class="carousel-control-prev" href="#carouselExampleCaptions" role="button" data-slide="prev">
+    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
+    <span class="sr-only">Previous</span>
+  </a>
+  <a class="carousel-control-next" href="#carouselExampleCaptions" role="button" data-slide="next">
+    <span class="carousel-control-next-icon" aria-hidden="true"></span>
+    <span class="sr-only">Next</span>
+  </a>
 </div>
 {{< /example >}}