Remove unused S.CL.Generator projects (#2581)

Author: ViktorHofer

System.CommandLine.sln

@@ -33,8 +33,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "dotnet-suggest", "src\Syste
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "dotnet-suggest.Tests", "src\System.CommandLine.Suggest.Tests\dotnet-suggest.Tests.csproj", "{E41F0471-B14D-4FA0-9D8B-1E7750695AE9}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "System.CommandLine.Generator.CommandHandler", "src\System.CommandLine.Generator.CommandHandler\System.CommandLine.Generator.CommandHandler.csproj", "{591EF370-7AD7-4624-8B9D-FD15010CA657}"
-EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "System.CommandLine.ApiCompatibility.Tests", "src\System.CommandLine.ApiCompatibility.Tests\System.CommandLine.ApiCompatibility.Tests.csproj", "{A54EE328-D456-4BAF-A180-84E77E6409AC}"
 EndProject
 Global
@@ -95,18 +93,6 @@ Global
 		{E41F0471-B14D-4FA0-9D8B-1E7750695AE9}.Release|x64.Build.0 = Release|Any CPU
 		{E41F0471-B14D-4FA0-9D8B-1E7750695AE9}.Release|x86.ActiveCfg = Release|Any CPU
 		{E41F0471-B14D-4FA0-9D8B-1E7750695AE9}.Release|x86.Build.0 = Release|Any CPU
-		{591EF370-7AD7-4624-8B9D-FD15010CA657}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{591EF370-7AD7-4624-8B9D-FD15010CA657}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{591EF370-7AD7-4624-8B9D-FD15010CA657}.Debug|x64.ActiveCfg = Debug|Any CPU
-		{591EF370-7AD7-4624-8B9D-FD15010CA657}.Debug|x64.Build.0 = Debug|Any CPU
-		{591EF370-7AD7-4624-8B9D-FD15010CA657}.Debug|x86.ActiveCfg = Debug|Any CPU
-		{591EF370-7AD7-4624-8B9D-FD15010CA657}.Debug|x86.Build.0 = Debug|Any CPU
-		{591EF370-7AD7-4624-8B9D-FD15010CA657}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{591EF370-7AD7-4624-8B9D-FD15010CA657}.Release|Any CPU.Build.0 = Release|Any CPU
-		{591EF370-7AD7-4624-8B9D-FD15010CA657}.Release|x64.ActiveCfg = Release|Any CPU
-		{591EF370-7AD7-4624-8B9D-FD15010CA657}.Release|x64.Build.0 = Release|Any CPU
-		{591EF370-7AD7-4624-8B9D-FD15010CA657}.Release|x86.ActiveCfg = Release|Any CPU
-		{591EF370-7AD7-4624-8B9D-FD15010CA657}.Release|x86.Build.0 = Release|Any CPU
 		{A54EE328-D456-4BAF-A180-84E77E6409AC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{A54EE328-D456-4BAF-A180-84E77E6409AC}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A54EE328-D456-4BAF-A180-84E77E6409AC}.Debug|x64.ActiveCfg = Debug|Any CPU
@@ -128,7 +114,6 @@ Global
 		{F843CCCA-4CC9-422C-A881-3AE6A998B53F} = {E5B1EC71-0FC4-4FAA-9C65-32D5016FBC45}
 		{E23C760E-B826-4B4F-BE76-916D86BAD2DB} = {E5B1EC71-0FC4-4FAA-9C65-32D5016FBC45}
 		{E41F0471-B14D-4FA0-9D8B-1E7750695AE9} = {E5B1EC71-0FC4-4FAA-9C65-32D5016FBC45}
-		{591EF370-7AD7-4624-8B9D-FD15010CA657} = {E5B1EC71-0FC4-4FAA-9C65-32D5016FBC45}
 		{A54EE328-D456-4BAF-A180-84E77E6409AC} = {E5B1EC71-0FC4-4FAA-9C65-32D5016FBC45}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution