Simplify Train (C#) folder structure

Author: zspitz

91_Train/csharp/Train/Train.sln 91_Train/csharp/Train.sln

@@ -3,9 +3,9 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 16
 VisualStudioVersion = 16.0.31129.286
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TrainGame", "Train\TrainGame.csproj", "{42617537-4E7C-4082-A17B-7F18DFA04C35}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TrainGame", "Train\TrainGame.csproj", "{42617537-4E7C-4082-A17B-7F18DFA04C35}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TrainTests", "..\TrainTests\TrainTests\TrainTests.csproj", "{7C740A47-99C6-44E1-BDEE-140086BCFE8B}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TrainTests", "TrainTests\TrainTests.csproj", "{B967AA46-78F2-44F8-A30D-85D35F625991}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -17,10 +17,10 @@ Global
 		{42617537-4E7C-4082-A17B-7F18DFA04C35}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{42617537-4E7C-4082-A17B-7F18DFA04C35}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{42617537-4E7C-4082-A17B-7F18DFA04C35}.Release|Any CPU.Build.0 = Release|Any CPU
-		{7C740A47-99C6-44E1-BDEE-140086BCFE8B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{7C740A47-99C6-44E1-BDEE-140086BCFE8B}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{7C740A47-99C6-44E1-BDEE-140086BCFE8B}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{7C740A47-99C6-44E1-BDEE-140086BCFE8B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B967AA46-78F2-44F8-A30D-85D35F625991}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B967AA46-78F2-44F8-A30D-85D35F625991}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B967AA46-78F2-44F8-A30D-85D35F625991}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B967AA46-78F2-44F8-A30D-85D35F625991}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

91_Train/csharp/Train/Train/TrainGame.cs 91_Train/csharp/Train/TrainGame.cs

@@ -20,7 +20,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\..\Train\Train\TrainGame.csproj" />
+    <ProjectReference Include="..\Train\TrainGame.csproj" />
   </ItemGroup>
 
 </Project>