docs: removed unused pull-left classes from hero form component (angular#26178)

PR Close angular#26178

Author: rtpHarry

aio/content/examples/forms/src/app/hero-form/hero-form.component.html

@@ -72,15 +72,15 @@ <h1>Hero Form</h1>
     <h2>You submitted the following:</h2>
     <div class="row">
       <div class="col-xs-3">Name</div>
-      <div class="col-xs-9  pull-left">{{ model.name }}</div>
+      <div class="col-xs-9">{{ model.name }}</div>
     </div>
     <div class="row">
       <div class="col-xs-3">Alter Ego</div>
-      <div class="col-xs-9 pull-left">{{ model.alterEgo }}</div>
+      <div class="col-xs-9">{{ model.alterEgo }}</div>
     </div>
     <div class="row">
       <div class="col-xs-3">Power</div>
-      <div class="col-xs-9 pull-left">{{ model.power }}</div>
+      <div class="col-xs-9">{{ model.power }}</div>
     </div>
     <br>
     <button class="btn btn-primary" (click)="submitted=false">Edit</button>