update nag

Author: alexwolfe

public/_includes/_docs-nav.jade

@@ -2,7 +2,7 @@ md-toolbar(class="main-nav background-regal l-pinned-top l-layer-5")
   nav
     h1 <a href="/" md-button>Angular <sup>by Google</sup></a>
 
-    button(class="main-nav-button main-nav-mobile-trigger l-right" aria-label="View Menu" ng-click="toggleMainMenu($event)" md-button) Site Menu <span class="icon icon-arrow-drop-down"></span>
+    button(class="main-nav-button main-nav-mobile-trigger l-right" aria-label="View Menu" ng-click="toggleMainMenu($event)") Site Menu <span class="icon icon-arrow-drop-down"></span>
 
     ul(ng-class="showMainNav ? 'is-visible' : ''")
       li.l-left <a class="main-nav-button" href="/features.html" md-button>Features</a>

public/_includes/_main-nav.jade

@@ -5,7 +5,7 @@ nav.side-nav.l-pinned-left.l-layer-4.l-offset-nav
     form.st-input-inner
       label(for="search-io" class="is-hidden") Search Docs
       input(type="search" id="search-io" placeholder="SEARCH DOCS...")
-    button(aria-label="Docs Menu" class="mobile-trigger button" aria-label="View Docs Menu" ng-click="toggleDocsMenu($event)" md-button) Docs <span class="icon icon-arrow-drop-down"></span>
+    button(class="mobile-trigger button" aria-label="View Docs Menu" ng-click="toggleDocsMenu($event)") Docs <span class="icon icon-arrow-drop-down"></span>
 
 
   // PRIMARY NAVIGATION