update icon buttons

MediaBrowser.WebDashboard/MediaBrowser.WebDashboard.csproj

@@ -152,9 +152,6 @@
     <Content Include="dashboard-ui\css\images\logo.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
-    <Content Include="dashboard-ui\css\polymer\paper-icon-button-light.css">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
     <Content Include="dashboard-ui\devices\windowsphone\wp.css">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>