Split up dropdown sizing docs to improve rendering (#31861)

- Drop the included .btn-toolbar, no need
- Split large and small button examples

Closes #31841

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

site/content/docs/5.0/components/dropdowns.md

@@ -247,60 +247,31 @@ We use this extra class to reduce the horizontal `padding` on either side of the
 Button dropdowns work with buttons of all sizes, including default and split dropdown buttons.
 
 <div class="bd-example">
-  <div class="btn-toolbar" role="toolbar">
-    <div class="btn-group">
-      <button class="btn btn-secondary btn-lg dropdown-toggle" type="button" data-toggle="dropdown" aria-expanded="false">
-        Large button
-      </button>
-      <ul class="dropdown-menu">
-        <li><a class="dropdown-item" href="#">Action</a></li>
-        <li><a class="dropdown-item" href="#">Another action</a></li>
-        <li><a class="dropdown-item" href="#">Something else here</a></li>
-        <li><hr class="dropdown-divider"></li>
-        <li><a class="dropdown-item" href="#">Separated link</a></li>
-      </ul>
-    </div><!-- /btn-group -->
-    <div class="btn-group ml-2">
-      <button type="button" class="btn btn-lg btn-secondary">Large split button</button>
-      <button type="button" class="btn btn-lg btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
-        <span class="visually-hidden">Toggle Dropdown</span>
-      </button>
-      <ul class="dropdown-menu">
-        <li><a class="dropdown-item" href="#">Action</a></li>
-        <li><a class="dropdown-item" href="#">Another action</a></li>
-        <li><a class="dropdown-item" href="#">Something else here</a></li>
-        <li><hr class="dropdown-divider"></li>
-        <li><a class="dropdown-item" href="#">Separated link</a></li>
-      </ul>
-    </div><!-- /btn-group -->
-  </div><!-- /btn-toolbar -->
-  <div class="btn-toolbar" role="toolbar">
-    <div class="btn-group">
-      <button class="btn btn-secondary btn-sm dropdown-toggle" type="button" data-toggle="dropdown" aria-expanded="false">
-        Small button
-      </button>
-      <ul class="dropdown-menu">
-        <li><a class="dropdown-item" href="#">Action</a></li>
-        <li><a class="dropdown-item" href="#">Another action</a></li>
-        <li><a class="dropdown-item" href="#">Something else here</a></li>
-        <li><hr class="dropdown-divider"></li>
-        <li><a class="dropdown-item" href="#">Separated link</a></li>
-      </ul>
-    </div><!-- /btn-group -->
-    <div class="btn-group ml-2">
-      <button type="button" class="btn btn-sm btn-secondary">Small split button</button>
-      <button type="button" class="btn btn-sm btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
-        <span class="visually-hidden">Toggle Dropdown</span>
-      </button>
-      <ul class="dropdown-menu">
-        <li><a class="dropdown-item" href="#">Action</a></li>
-        <li><a class="dropdown-item" href="#">Another action</a></li>
-        <li><a class="dropdown-item" href="#">Something else here</a></li>
-        <li><hr class="dropdown-divider"></li>
-        <li><a class="dropdown-item" href="#">Separated link</a></li>
-      </ul>
-    </div><!-- /btn-group -->
-  </div><!-- /btn-toolbar -->
+  <div class="btn-group">
+    <button class="btn btn-secondary btn-lg dropdown-toggle" type="button" data-toggle="dropdown" aria-expanded="false">
+      Large button
+    </button>
+    <ul class="dropdown-menu">
+      <li><a class="dropdown-item" href="#">Action</a></li>
+      <li><a class="dropdown-item" href="#">Another action</a></li>
+      <li><a class="dropdown-item" href="#">Something else here</a></li>
+      <li><hr class="dropdown-divider"></li>
+      <li><a class="dropdown-item" href="#">Separated link</a></li>
+    </ul>
+  </div>
+  <div class="btn-group">
+    <button type="button" class="btn btn-lg btn-secondary">Large split button</button>
+    <button type="button" class="btn btn-lg btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
+      <span class="visually-hidden">Toggle Dropdown</span>
+    </button>
+    <ul class="dropdown-menu">
+      <li><a class="dropdown-item" href="#">Action</a></li>
+      <li><a class="dropdown-item" href="#">Another action</a></li>
+      <li><a class="dropdown-item" href="#">Something else here</a></li>
+      <li><hr class="dropdown-divider"></li>
+      <li><a class="dropdown-item" href="#">Separated link</a></li>
+    </ul>
+  </div>
 </div>
 
 {{< highlight html >}}
@@ -324,8 +295,37 @@ Button dropdowns work with buttons of all sizes, including default and split dro
     ...
   </ul>
 </div>
+{{< /highlight >}}
 
-<!-- Small button groups (default and split) -->
+<div class="bd-example">
+  <div class="btn-group">
+    <button class="btn btn-secondary btn-sm dropdown-toggle" type="button" data-toggle="dropdown" aria-expanded="false">
+      Small button
+    </button>
+    <ul class="dropdown-menu">
+      <li><a class="dropdown-item" href="#">Action</a></li>
+      <li><a class="dropdown-item" href="#">Another action</a></li>
+      <li><a class="dropdown-item" href="#">Something else here</a></li>
+      <li><hr class="dropdown-divider"></li>
+      <li><a class="dropdown-item" href="#">Separated link</a></li>
+    </ul>
+  </div>
+  <div class="btn-group">
+    <button type="button" class="btn btn-sm btn-secondary">Small split button</button>
+    <button type="button" class="btn btn-sm btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-expanded="false">
+      <span class="visually-hidden">Toggle Dropdown</span>
+    </button>
+    <ul class="dropdown-menu">
+      <li><a class="dropdown-item" href="#">Action</a></li>
+      <li><a class="dropdown-item" href="#">Another action</a></li>
+      <li><a class="dropdown-item" href="#">Something else here</a></li>
+      <li><hr class="dropdown-divider"></li>
+      <li><a class="dropdown-item" href="#">Separated link</a></li>
+    </ul>
+  </div>
+</div>
+
+{{< highlight html >}}
 <div class="btn-group">
   <button class="btn btn-secondary btn-sm dropdown-toggle" type="button" data-toggle="dropdown" aria-expanded="false">
     Small button