Remove CTypes project from solution

why I added it wasn't clear in the first place
brilliant that I don't know the tiniest bit of C

IronPython.sln

@@ -115,8 +115,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "roslyn", "roslyn", "{426817
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{26425961-0A4E-4CFA-9F45-9072AD6FA6F1}"
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "IronPython.Tests.CTypes", "tests\ctypes\IronPython.Tests.CTypes.vcxproj", "{0BDA76B0-44BF-47B7-AA21-C247F83FAF73}"
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -307,18 +305,6 @@ Global
 		{2F1071BF-891C-42A3-8A82-6B8A168BDE64}.Release|x64.Build.0 = Release|Any CPU
 		{2F1071BF-891C-42A3-8A82-6B8A168BDE64}.Release|x86.ActiveCfg = Release|Any CPU
 		{2F1071BF-891C-42A3-8A82-6B8A168BDE64}.Release|x86.Build.0 = Release|Any CPU
-		{0BDA76B0-44BF-47B7-AA21-C247F83FAF73}.Debug|Any CPU.ActiveCfg = Debug|x64
-		{0BDA76B0-44BF-47B7-AA21-C247F83FAF73}.Debug|Any CPU.Build.0 = Debug|x64
-		{0BDA76B0-44BF-47B7-AA21-C247F83FAF73}.Debug|x64.ActiveCfg = Debug|x64
-		{0BDA76B0-44BF-47B7-AA21-C247F83FAF73}.Debug|x64.Build.0 = Debug|x64
-		{0BDA76B0-44BF-47B7-AA21-C247F83FAF73}.Debug|x86.ActiveCfg = Debug|Win32
-		{0BDA76B0-44BF-47B7-AA21-C247F83FAF73}.Debug|x86.Build.0 = Debug|Win32
-		{0BDA76B0-44BF-47B7-AA21-C247F83FAF73}.Release|Any CPU.ActiveCfg = Release|x64
-		{0BDA76B0-44BF-47B7-AA21-C247F83FAF73}.Release|Any CPU.Build.0 = Release|x64
-		{0BDA76B0-44BF-47B7-AA21-C247F83FAF73}.Release|x64.ActiveCfg = Release|x64
-		{0BDA76B0-44BF-47B7-AA21-C247F83FAF73}.Release|x64.Build.0 = Release|x64
-		{0BDA76B0-44BF-47B7-AA21-C247F83FAF73}.Release|x86.ActiveCfg = Release|Win32
-		{0BDA76B0-44BF-47B7-AA21-C247F83FAF73}.Release|x86.Build.0 = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -351,7 +337,6 @@ Global
 		{B8A5415F-9DF1-4BE3-AE4C-B3423764C6DC} = {18794F51-C0FB-4F30-AC4A-39BCE6937DD9}
 		{11738435-FAB8-4E7A-BCD8-0D5D53302181} = {18794F51-C0FB-4F30-AC4A-39BCE6937DD9}
 		{426817C8-2747-49E6-8060-245E05FFAEC0} = {18794F51-C0FB-4F30-AC4A-39BCE6937DD9}
-		{0BDA76B0-44BF-47B7-AA21-C247F83FAF73} = {26425961-0A4E-4CFA-9F45-9072AD6FA6F1}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {981EA700-AB4F-462F-96D7-F35FAAAA7E89}