Remove galvanic authentication support

... that server is being rewritten

Patches/AFKPatch.cs

@@ -0,0 +1,30 @@
+using System.Reflection;
+using HarmonyLib;
+using undead_universal_patch_il2cpp.Core;
+
+namespace undead_universal_patch_il2cpp.Patches;
+
+[HarmonyPatch]
+public class AFKPatch
+{
+    static readonly string TargetTypeName = "Player";
+    static readonly string TargetMethodName = "UpdateAFKStatus";
+    static readonly string Description = "Always present, never AFK";
+
+    static bool Prepare()
+    {
+        if (AccessTools.Method(AccessTools.TypeByName(TargetTypeName), TargetMethodName) == null)
+        {
+            Plugin.Log.LogWarning($"'{Description}' disabled. The method for this patch was not found.");
+            return false;
+        }
+
+        Plugin.Log.LogInfo($"'{Description}' succeeded validation.");
+        return true;
+    }
+    static MethodBase TargetMethod() => AccessTools.Method(AccessTools.TypeByName(TargetTypeName), TargetMethodName);
+    static void Prefix(ref bool userIsPresent)
+    {
+        if (GenericConfig.AFKPatch.Value) userIsPresent = true;
+    }
+}