Do not run sample tests

Author: jviau

samples/AzureFunctionsUnitTests/AzureFunctionsApp.Tests.csproj

@@ -10,10 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="coverlet.collector" Version="6.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="xunit" Version="2.5.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3" />
     <PackageReference Include="moq" Version="4.20.70" />
   </ItemGroup>