Revert "[Build] Generation of TargetFrameworkAttribute can now be sup…

…pressed with property GenerateTargetFrameworkAttribute"

This reverts commit 2033858.

src/Compiler/src/Compiler/XSharpBuildTask/XSharp.CurrentVersion.targets

@@ -40,8 +40,6 @@ Copyright (c) XSharp B.V.  All Rights Reserved
     <SynthesizeLinkMetadata Condition=" '$(SynthesizeLinkMetadata)' == '' and '$(HasSharedItems)' == 'true' ">true</SynthesizeLinkMetadata>
     <DefaultProjectTypeGuid Condition=" '$(DefaultProjectTypeGuid)' == '' ">{AA6C8D78-22FF-423A-9C7C-5F2393824E04}</DefaultProjectTypeGuid>
     <AppDesignerFolder Condition="'$(AppDesignerFolder)' == ''">Properties</AppDesignerFolder>
-    <GenerateTargetFrameworkAttribute Condition="$(GenerateTargetFrameworkAttribute)' == ''">true</GenerateTargetFrameworkAttribute>
-
     <!-- Make sure that we have full paths when compiling inside VS -->
     <GenerateFullPaths Condition="'$(BuildingInsideVisualStudio)'=='true'">true</GenerateFullPaths>
   </PropertyGroup>
@@ -428,7 +426,7 @@ Copyright (c) XSharp B.V.  All Rights Reserved
   </Target>
 
   <Target Name="_SetTargetFrameworkMonikerAttribute" BeforeTargets="GenerateTargetFrameworkMonikerAttribute">
-    <PropertyGroup Condition="$(GenerateTargetFrameworkAttribute)' == 'true'">
+    <PropertyGroup>
       <TargetFrameworkMonikerAssemblyAttributeText Condition="'$(TargetFrameworkMoniker)' != '' and '$(TargetingClr2Framework)' != 'true'">
         // &lt;autogenerated /&gt;
         using System