Removed netcoreapp2.1

Author: snakefoot

buildscripts/common.props

@@ -74,14 +74,6 @@
 		<DefineConstants>$(NetStandard21Constants)</DefineConstants>
 	</PropertyGroup>
 
-	<PropertyGroup Condition="'$(TargetFramework)|$(Configuration)'=='netcoreapp2.1|Debug'">
-		<DefineConstants>$(DiagnosticsConstants);$(NetStandard20Constants)</DefineConstants>
-	</PropertyGroup>
-
-	<PropertyGroup Condition="'$(TargetFramework)|$(Configuration)'=='netcoreapp2.1|Release'">
-		<DefineConstants>$(NetStandard20Constants)</DefineConstants>
-	</PropertyGroup>
-
 	<PropertyGroup Condition="'$(TargetFramework)|$(Configuration)'=='netcoreapp3.1|Debug'">
 		<DefineConstants>$(DiagnosticsConstants);$(NetStandard21Constants)</DefineConstants>
 	</PropertyGroup>

src/Castle.Core.Tests.WeakNamed/Castle.Core.Tests.WeakNamed.csproj

@@ -3,7 +3,7 @@
 	<Import Project="..\..\buildscripts\common.props"></Import>
 
 	<PropertyGroup>
-		<TargetFrameworks>net462;netcoreapp2.1;netcoreapp3.1;net6.0</TargetFrameworks>
+		<TargetFrameworks>net462;netcoreapp3.1;net6.0</TargetFrameworks>
 	</PropertyGroup>
 
 	<PropertyGroup>

src/Castle.Core.Tests/Castle.Core.Tests.csproj

@@ -3,7 +3,7 @@
 	<Import Project="..\..\buildscripts\common.props"></Import>
 
 	<PropertyGroup>
-		<TargetFrameworks>net462;netcoreapp2.1;netcoreapp3.1;net6.0</TargetFrameworks>
+		<TargetFrameworks>net462;netcoreapp3.1;net6.0</TargetFrameworks>
 	</PropertyGroup>
 
 	<PropertyGroup>
@@ -55,7 +55,7 @@
 		<ProjectReference Include="..\Castle.Services.Logging.NLogIntegration\Castle.Services.Logging.NLogIntegration.csproj" />
 		<ProjectReference Include="..\Castle.Services.Logging.SerilogIntegration\Castle.Services.Logging.SerilogIntegration.csproj" />
 	</ItemGroup>
-	<ItemGroup Condition="'$(TargetFramework)'=='netcoreapp2.1'OR'$(TargetFramework)'=='netcoreapp3.1'">
+	<ItemGroup Condition="'$(TargetFramework)'=='netcoreapp3.1'">
 		<PackageReference Include="System.Security.Permissions" Version="4.7.0" />
 	</ItemGroup>
 	<ItemGroup Condition="'$(TargetFramework)'=='net6.0'">