Deleted depricated SteamCheck class

IPA.Loader/IPA.Loader.csproj

@@ -92,7 +92,6 @@
     <Compile Include="Updating\SelfPlugin.cs" />
     <Compile Include="Utilities\Extensions.cs" />
     <Compile Include="Utilities\LoneFunctions.cs" />
-    <Compile Include="Utilities\SteamCheck.cs" />
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Ionic.Zip">

IPA.Loader/Utilities/SteamCheck.cs

@@ -1,33 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace IPA.Utilities
-{
-    /// <summary>
-    /// Provides a utility to test if this is a Steam build of Beat Saber.
-    /// </summary>
-    [Obsolete("Use BeatSaber.ReleaseType == BeatSaber.Release.Steam")]
-    internal static class SteamCheck
-    {
-        private static Type SteamVRCamera;
-        private static Type SteamVRExternalCamera;
-        private static Type SteamVRFade;
-        /// <summary>
-        /// Returns <see langword="true"/> when called on a Steam installation.
-        /// </summary>
-        public static bool IsAvailable => FindSteamVRAsset();
-
-        private static bool FindSteamVRAsset()
-        {
-            // these require assembly qualified names....
-            SteamVRCamera = Type.GetType("SteamVR_Camera, Assembly-CSharp-firstpass, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null", false);
-            SteamVRExternalCamera = Type.GetType("SteamVR_ExternalCamera, Assembly-CSharp-firstpass, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null", false);
-            SteamVRFade = Type.GetType("SteamVR_Fade, Assembly-CSharp-firstpass, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null", false);
-
-            return SteamVRCamera != null && SteamVRExternalCamera != null && SteamVRFade != null;
-        }
-    }
-}