update image loader

MediaBrowser.WebDashboard/MediaBrowser.WebDashboard.csproj

@@ -1045,9 +1045,6 @@
     <Content Include="dashboard-ui\scripts\wizardsettings.js">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
-    <Content Include="dashboard-ui\thirdparty\jquery.unveil-custom.js">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
     <Content Include="dashboard-ui\thirdparty\jquerymobile-1.4.5\images\ajax-loader.gif">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>