Remove SpotifyAPI.Web.Auth from Winleafs.Wpf (#137)

* Bump SpotifyAPI.Web.Auth from 5.1.0 to 5.1.1 in /Winleafs.Wpf

Bumps [SpotifyAPI.Web.Auth](https://github.com/JohnnyCrazy/SpotifyAPI-NET) from 5.1.0 to 5.1.1.
- [Release notes](https://github.com/JohnnyCrazy/SpotifyAPI-NET/releases)
- [Commits](JohnnyCrazy/SpotifyAPI-NET@5.1.0...5.1.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

* Removed SpotifyAPI.Web.Auth

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: Stijn Oostdam <stijn.oostdam@xs4all.nl>

Winleafs.Wpf/Winleafs.Wpf.csproj

@@ -56,7 +56,6 @@
       <PackageReference Include="RestSharp">
         <Version>106.6.7</Version>
       </PackageReference>
-      <PackageReference Include="SpotifyAPI.Web.Auth" Version="5.1.0" />
       <PackageReference Include="System.Drawing.Common" Version="4.6.0" />
       <PackageReference Include="Tmds.MDns">
         <Version>0.7.0</Version>