Plugins: Remove unnecessary WinForms usages

Author: TBM13

Plugins/Flow.Launcher.Plugin.Sys/Flow.Launcher.Plugin.Sys.csproj

@@ -7,7 +7,6 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Flow.Launcher.Plugin.Sys</RootNamespace>
     <AssemblyName>Flow.Launcher.Plugin.Sys</AssemblyName>
-    <UseWindowsForms>true</UseWindowsForms>
     <UseWpf>true</UseWpf>
     <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>

Plugins/Flow.Launcher.Plugin.WindowsSettings/Flow.Launcher.Plugin.WindowsSettings.csproj

@@ -2,7 +2,6 @@
   <PropertyGroup>
     <OutputType>Library</OutputType>
     <TargetFramework>net9.0-windows10.0.26100.0</TargetFramework>
-    <UseWindowsForms>true</UseWindowsForms>
     <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <AppDesignerFolder>Properties</AppDesignerFolder>