gcm-ui: drop WPF-based UI helper for shared UI

Author: mjcheetham

Git-Credential-Manager.sln

@@ -45,8 +45,6 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GitLab", "src\shared\GitLab
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GitLab.Tests", "src\shared\GitLab.Tests\GitLab.Tests.csproj", "{1AF9F7C5-FA2E-48F1-B216-4D5E9A27F393}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Git-Credential-Manager.UI.Windows", "src\windows\Git-Credential-Manager.UI.Windows\Git-Credential-Manager.UI.Windows.csproj", "{01BF56EC-AAC1-4BCA-8204-EE51D968DF5C}"
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -291,16 +289,6 @@ Global
 		{1AF9F7C5-FA2E-48F1-B216-4D5E9A27F393}.MacRelease|Any CPU.Build.0 = Release|Any CPU
 		{1AF9F7C5-FA2E-48F1-B216-4D5E9A27F393}.WindowsRelease|Any CPU.ActiveCfg = Release|Any CPU
 		{1AF9F7C5-FA2E-48F1-B216-4D5E9A27F393}.WindowsRelease|Any CPU.Build.0 = Release|Any CPU
-		{01BF56EC-AAC1-4BCA-8204-EE51D968DF5C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{01BF56EC-AAC1-4BCA-8204-EE51D968DF5C}.MacDebug|Any CPU.ActiveCfg = Debug|Any CPU
-		{01BF56EC-AAC1-4BCA-8204-EE51D968DF5C}.MacRelease|Any CPU.ActiveCfg = Release|Any CPU
-		{01BF56EC-AAC1-4BCA-8204-EE51D968DF5C}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{01BF56EC-AAC1-4BCA-8204-EE51D968DF5C}.WindowsDebug|Any CPU.ActiveCfg = Debug|Any CPU
-		{01BF56EC-AAC1-4BCA-8204-EE51D968DF5C}.WindowsDebug|Any CPU.Build.0 = Debug|Any CPU
-		{01BF56EC-AAC1-4BCA-8204-EE51D968DF5C}.WindowsRelease|Any CPU.ActiveCfg = Debug|Any CPU
-		{01BF56EC-AAC1-4BCA-8204-EE51D968DF5C}.WindowsRelease|Any CPU.Build.0 = Release|Any CPU
-		{01BF56EC-AAC1-4BCA-8204-EE51D968DF5C}.LinuxDebug|Any CPU.ActiveCfg = Debug|Any CPU
-		{01BF56EC-AAC1-4BCA-8204-EE51D968DF5C}.LinuxRelease|Any CPU.ActiveCfg = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -326,7 +314,6 @@ Global
 		{AD2A935F-3720-4802-8119-6A9B35B254DF} = {8F9D7E67-7DD7-4E32-9134-423281AF00E9}
 		{570897DC-A85C-4598-B793-9A00CF710119} = {D5277A0E-997E-453A-8CB9-4EFCC8B16A29}
 		{1AF9F7C5-FA2E-48F1-B216-4D5E9A27F393} = {D5277A0E-997E-453A-8CB9-4EFCC8B16A29}
-		{01BF56EC-AAC1-4BCA-8204-EE51D968DF5C} = {66722747-1B61-40E4-A89B-1AC8E6D62EA9}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {0EF9FC65-E6BA-45D4-A455-262A9EA4366B}