remove search field on toolbar example

Author: marcosmoura

docs/src/pages/components/Toolbar.vue

@@ -90,7 +90,7 @@
                 <md-icon>menu</md-icon>
               </md-button>
 
-              <h2 class="md-title">Default</h2>
+              <h2 class="md-title" style="flex: 1">Default</h2>
 
               <md-button class="md-icon-button">
                 <md-icon>favorite</md-icon>