Remove .net 6

Author: stevencl840

.github/workflows/ci.yml

@@ -82,8 +82,6 @@ jobs:
           - distro: alpine.3.19
             sdk: '9.0'
         include:
-          - sdk: '6.0'
-            tfm: net6.0
           - sdk: '8.0'
             tfm: net8.0
           - sdk: '9.0'

LibGit2Sharp/LibGit2Sharp.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net472;net8.0;net6.0</TargetFrameworks>
+    <TargetFrameworks>net472;net8.0</TargetFrameworks>
     <LangVersion>12.0</LangVersion>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Description>LibGit2Sharp brings all the might and speed of libgit2, a native Git implementation, to the managed world of .NET</Description>
@@ -28,9 +28,6 @@
   <PropertyGroup Condition="'$(TargetFramework)' == 'net8.0'">
     <IsTrimmable>true</IsTrimmable>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(TargetFramework)' == 'net6.0'">
-    <IsTrimmable>true</IsTrimmable>
-  </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="LibGit2Sharp.NativeBinaries" Version="[2.0.323]" PrivateAssets="none" />