Remove empty line

Author: thompson-tomo

src/Microsoft.FeatureManagement.AspNetCore/Microsoft.FeatureManagement.AspNetCore.csproj

@@ -39,7 +39,6 @@
     <None Include="..\..\build\icon.png" Pack="true" PackagePath="\"/>
   </ItemGroup>
 
-
   <PropertyGroup>
     <DocumentationFile>bin\$(Configuration)\$(TargetFramework)\$(RuntimeIdentifier)\XMLComments\$(MSBuildProjectName).xml</DocumentationFile>
   </PropertyGroup>