fix project

MediaBrowser.WebDashboard/MediaBrowser.WebDashboard.csproj

@@ -220,9 +220,6 @@
     <Content Include="dashboard-ui\thirdparty\paper-button-style.css">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
-    <Content Include="dashboard-ui\thirdparty\velocity.min.js">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
     <Content Include="dashboard-ui\voice\voice.css">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>