Remove legacy wpf sample

Author: thomasgalliker

HttpClient.Caching.sln

@@ -21,8 +21,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConsoleAppSample", "Samples
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Samples", "Samples", "{2AB15A56-D5AC-4CBB-95BF-241051541E52}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WpfSample", "Samples\WpfSample\WpfSample.csproj", "{750EA219-7FAB-44F6-B909-BC678CFF4BE4}"
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -41,18 +39,13 @@ Global
 		{592B2324-79AA-4973-8CE5-F65BD503641F}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{592B2324-79AA-4973-8CE5-F65BD503641F}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{592B2324-79AA-4973-8CE5-F65BD503641F}.Release|Any CPU.Build.0 = Release|Any CPU
-		{750EA219-7FAB-44F6-B909-BC678CFF4BE4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{750EA219-7FAB-44F6-B909-BC678CFF4BE4}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{750EA219-7FAB-44F6-B909-BC678CFF4BE4}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{750EA219-7FAB-44F6-B909-BC678CFF4BE4}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{D8F20DC2-E69A-4432-A68B-FD4A8232BA43} = {82C933E0-5F3A-46DD-BE18-233590F11503}
 		{592B2324-79AA-4973-8CE5-F65BD503641F} = {2AB15A56-D5AC-4CBB-95BF-241051541E52}
-		{750EA219-7FAB-44F6-B909-BC678CFF4BE4} = {2AB15A56-D5AC-4CBB-95BF-241051541E52}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {46294172-BC59-4710-8105-CF322C619EA8}