Remove obsolete tests

Exercism.TestRunner.CSharp.sln

@@ -1,7 +1,6 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Exercism.TestRunner.CSharp.IntegrationTests", "test\Exercism.TestRunner.CSharp.IntegrationTests\Exercism.TestRunner.CSharp.IntegrationTests.csproj", "{89F04548-B730-4F84-AC39-5B8C6A47CA35}"
-EndProject
+# 
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Exercism.TestRunner.CSharp", "src\Exercism.TestRunner.CSharp\Exercism.TestRunner.CSharp.csproj", "{76037C86-908F-4C18-BDBE-1C1CAFF0CB65}"
 EndProject
 Global
@@ -10,10 +9,6 @@ Global
 		Release|Any CPU = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{89F04548-B730-4F84-AC39-5B8C6A47CA35}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{89F04548-B730-4F84-AC39-5B8C6A47CA35}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{89F04548-B730-4F84-AC39-5B8C6A47CA35}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{89F04548-B730-4F84-AC39-5B8C6A47CA35}.Release|Any CPU.Build.0 = Release|Any CPU
 		{76037C86-908F-4C18-BDBE-1C1CAFF0CB65}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{76037C86-908F-4C18-BDBE-1C1CAFF0CB65}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{76037C86-908F-4C18-BDBE-1C1CAFF0CB65}.Release|Any CPU.ActiveCfg = Release|Any CPU