[msbuild] No need to pass --gsharedvt to mtouch anymore, mtouch ignores --gsharedvt since it must always be enabled. (#8270)

msbuild/Xamarin.iOS.Tasks.Core/Tasks/MTouchTaskBase.cs

@@ -68,9 +68,6 @@ namespace Xamarin.iOS.Tasks
 		[Required]
 		public bool EnableBitcode { get; set; }
 
-		[Required]
-		public bool EnableGenericValueTypeSharing { get; set; }
-
 		public string License { get; set; }
 
 		[Required]
@@ -324,9 +321,6 @@ namespace Xamarin.iOS.Tasks
 			else
 				args.AddLine ("--aot-options=-O=-float32");
 
-			if (!EnableGenericValueTypeSharing)
-				args.AddLine ("--gsharedvt=false");
-
 			if (LinkDescriptions != null) {
 				foreach (var desc in LinkDescriptions)
 					args.AddQuotedLine ($"--xml={desc.ItemSpec}");

msbuild/Xamarin.iOS.Tasks.Core/Xamarin.iOS.Common.props

@@ -44,7 +44,6 @@ Copyright (C) 2013-2016 Xamarin. All rights reserved.
 		<IPhoneResourcePrefix Condition="'$(IPhoneResourcePrefix)' == ''">Resources</IPhoneResourcePrefix>
 
 		<MtouchDebug Condition="'$(MtouchDebug)' == ''">False</MtouchDebug>
-		<MtouchEnableGenericValueTypeSharing Condition="'$(MtouchEnableGenericValueTypeSharing)' == ''">True</MtouchEnableGenericValueTypeSharing>
 		<MtouchFastDev Condition="'$(MtouchFastDev)' == ''">False</MtouchFastDev>
 		<MtouchHttpClientHandler Condition="'$(MtouchHttpClientHandler)' == ''">NSUrlSessionHandler</MtouchHttpClientHandler>
 		<MtouchProfiling Condition="'$(MtouchProfiling)' == ''">False</MtouchProfiling>

msbuild/Xamarin.iOS.Tasks.Core/Xamarin.iOS.Common.targets

@@ -891,7 +891,6 @@ Copyright (C) 2013-2016 Xamarin. All rights reserved.
 			ExecutableName="$(_ExecutableName)"
 			CompiledEntitlements="$(_CompiledEntitlements)"
 			Debug="$(MtouchDebug)"
-			EnableGenericValueTypeSharing="$(MtouchEnableGenericValueTypeSharing)"
 			ExtraArgs="$(MtouchExtraArgs)"
 			FastDev="$(MtouchFastDev)"
 			HttpClientHandler="$(MtouchHttpClientHandler)"

msbuild/tests/Xamarin.iOS.Tasks.Tests/TaskTests/MTouchTaskTests.cs

@@ -15,7 +15,6 @@ namespace Xamarin.iOS.Tasks
 		{
 			Architectures = "Default";
 			Debug = false;
-			EnableGenericValueTypeSharing = true;
 			ExtraArgs = null;
 			FastDev = false;
 			I18n = null;