Remove sourcelink since it's built-in SDK now

Author: kzu

src/Css/Css.msbuildproj

@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="all" />
     <PackageReference Include="NuGetizer" Version="0.8.0" PrivateAssets="all" />
   </ItemGroup>
 

src/Html/Html.msbuildproj

@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="all" />
     <PackageReference Include="NuGetizer" Version="0.8.0" PrivateAssets="all" />
   </ItemGroup>
 

src/Web/Web.csproj

@@ -10,7 +10,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="all" />
     <PackageReference Include="IsExternalInit" Version="1.0.3" PrivateAssets="all" />
     <PackageReference Include="NuGetizer" Version="1.2.1" PrivateAssets="all" />
     <PackageReference Include="Nullable" Version="1.3.1" PrivateAssets="all" />