ES-976509 - Removed the temporary key file in the UWP sample

Author: SreemonPremkumarM

UWP/DetailsView/DetailsView.csproj

@@ -135,7 +135,6 @@
     <AppxManifest Include="Package.appxmanifest">
       <SubType>Designer</SubType>
     </AppxManifest>
-    <None Include="DetailsView_TemporaryKey.pfx" />
   </ItemGroup>
   <ItemGroup>
     <Content Include="Properties\Default.rd.xml" />