Remove example search form.

core/templates/core/base.html

@@ -33,13 +33,6 @@
                 <a class="nav-link" href="{% url 'child-list' %}">Children</a>
             </li>
         </ul>
-        <form class="form-inline my-2 my-lg-0">
-            <input class="form-control mr-sm-2" type="text"
-                   placeholder="Search" aria-label="Search">
-            <button class="btn btn-outline-success my-2 my-sm-0" type="submit">
-                Search
-            </button>
-        </form>
     </div>
 </nav>