Drop explicit sourcelink dependency

Author: koenbeuk

Directory.Packages.props

@@ -9,7 +9,6 @@
     <PackageVersion Include="Microsoft.EntityFrameworkCore" Version="8.0.0" />
     <PackageVersion Include="Microsoft.EntityFrameworkCore.InMemory" Version="8.0.10" />
     <PackageVersion Include="Microsoft.EntityFrameworkCore.Sqlite" Version="8.0.10" />
-    <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="8.0.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageVersion Include="ScenarioTests.XUnit" Version="1.0.1" />
     <PackageVersion Include="xunit" Version="2.9.2" />

src/Directory.Build.props

@@ -15,7 +15,4 @@
   <PropertyGroup Condition="'$(GITHUB_ACTIONS)' == 'true'">
     <ContinuousIntegrationBuild>true</ContinuousIntegrationBuild>
   </PropertyGroup>
-  <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" PrivateAssets="All" />
-  </ItemGroup>
 </Project>