Removed legacy "System.ValueTuple" reference which is no longer required
MODIFY
src/Chapter01/Chapter01.csproj
src/Chapter01/Chapter01.csproj
<Compile Remove="HelloWorld\**" />
<Compile Remove="Listing01.01.HelloWorldInC#.cs" />
<Compile Remove="Listing01.01A.HelloWorldInC#.cs" />
- <Compile Remove="Listing01.02.SampleNETCoreConsoleProjectFile.cs" />
<Compile Remove="Listing01.20.SampleCILOutput.cs" />
</ItemGroup>
<ItemGroup>
- <PackageReference Include="System.ValueTuple" Version="4.5.0" />
<Compile Include="..\Shared\Program.cs">
<Link>Program.cs</Link>
</Compile>
</ItemGroup>
<ItemGroup>
<None Include="Listing01.01.HelloWorldInC#.cs" />
- <None Include="Listing01.02.SampleNETCoreConsoleProjectFile.cs" />
<None Include="Listing01.20.SampleCILOutput.cs" />
</ItemGroup>
</Project>

MODIFY
src/Chapter02/Chapter02.csproj
src/Chapter02/Chapter02.csproj
</PropertyGroup>
<Import Project="..\Chapter.props" />
<ItemGroup>
- <PackageReference Include="System.ValueTuple" Version="4.5.0" />
<Compile Include="..\Shared\Program.cs">
<Link>Program.cs</Link>
</Compile>

MODIFY
src/Chapter03/Chapter03.csproj
src/Chapter03/Chapter03.csproj
<Import Project="..\Chapter.props" />
<ItemGroup>
<Compile Remove="Listing03.02.DereferencingAnUnassignedVariable.cs" />
- <Compile Remove="Listing03.03.EnablingNullableProjectWide.cs" />
<Compile Remove="Listing03.06.TheCSharpEquivalentOfCompilerGeneratedCILCodeForAValueTupleReturn.cs" />
</ItemGroup>
<ItemGroup>
<None Include="Listing03.02.DereferencingAnUnassignedVariable.cs">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>
- <None Include="Listing03.03.EnablingNullableProjectWide.cs" />
<None Include="Listing03.06.TheCSharpEquivalentOfCompilerGeneratedCILCodeForAValueTupleReturn.cs" />
</ItemGroup>
</Project>

MODIFY
src/Chapter11/Chapter11.csproj
src/Chapter11/Chapter11.csproj
</PropertyGroup>
<Import Project="..\Chapter.props" />
<ItemGroup>
- <PackageReference Include="System.ValueTuple" Version="4.5.0" />
<ProjectReference Include="..\Chapter07\Chapter07.csproj" />
<Compile Include="..\Shared\Program.cs">
<Link>Program.cs</Link>

MODIFY
src/Chapter14/Chapter14.csproj
src/Chapter14/Chapter14.csproj
</PropertyGroup>
<Import Project="..\Chapter.props" />
<ItemGroup>
- <PackageReference Include="System.ValueTuple" Version="4.5.0" />
<Compile Include="..\Shared\Program.cs">
<Link>Program.cs</Link>
</Compile>

MODIFY
src/Chapter15/Chapter15.csproj
src/Chapter15/Chapter15.csproj
</PropertyGroup>
<Import Project="..\Chapter.props" />
<ItemGroup>
- <PackageReference Include="System.ValueTuple" Version="4.5.0" />
<Compile Include="..\Shared\Program.cs">
<Link>Program.cs</Link>
</Compile>

MODIFY
src/Chapter16/Chapter16.csproj
src/Chapter16/Chapter16.csproj
</PropertyGroup>
<Import Project="..\Chapter.props" />
<ItemGroup>
- <PackageReference Include="System.ValueTuple" Version="4.5.0" />
<Compile Include="..\Shared\Program.cs">
<Link>Program.cs</Link>
</Compile>

Removed legacy "System.ValueTuple" reference which is no longer required