Revert "Merge branch 'test-net9'"

This reverts commit fb80352, reversing
changes made to 9af76c7.

Author: Sewer56

.github/workflows/build-and-publish.yml

@@ -72,11 +72,6 @@ jobs:
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '8.0.x'
-
-    - name: Setup Dotnet SDK (9.0)
-      uses: actions/setup-dotnet@v4
-      with:
-        dotnet-version: '9.0.x'
 
     - name: Get Dotnet Info
       run: dotnet --info

source/Reloaded.Mod.Launcher/Reloaded.Mod.Launcher.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net9.0-windows</TargetFramework>
+    <TargetFramework>net8.0-windows</TargetFramework>
 	  <LangVersion>preview</LangVersion>
 	  <UseWPF>true</UseWPF>
     <AssemblyName>Reloaded-II</AssemblyName>

source/Reloaded.Mod.Loader.Tests/Reloaded.Mod.Loader.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net9.0-windows</TargetFramework>
+    <TargetFramework>net8.0-windows</TargetFramework>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <IsPackable>false</IsPackable>
     <LangVersion>preview</LangVersion>

source/Reloaded.Mod.Loader/Reloaded.Mod.Loader.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net9.0-windows</TargetFramework>
+    <TargetFramework>net8.0-windows</TargetFramework>
 	  <LangVersion>preview</LangVersion>
     <AssemblyTitle>Reloaded.Mod.Loader</AssemblyTitle>
 	  <UseWindowsForms>true</UseWindowsForms>