update sync

MediaBrowser.WebDashboard/MediaBrowser.WebDashboard.csproj

@@ -1001,9 +1001,6 @@
     <Content Include="dashboard-ui\scripts\livetvsuggested.js">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
-    <Content Include="dashboard-ui\scripts\sync.js">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
     <Content Include="dashboard-ui\scripts\tvupcoming.js">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>